pfizer little island

Pfizer Little IslandIEL Groundwater MonitoringRound 2 (November) 2016

Pfizer Ireland Pharmaceuticals Limited

Project Reference: CKRP0002Project Number: 6048815112 December 2016

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Pfizer Little Island Pfizer Ireland Pharmaceuticals LimitedProject Reference: CKRP0002

Prepared for: Pfizer Ireland Pharmaceuticals LimitedCkrp0002 Pfizer Little Island Round 2 2016 Final

AECOM

Quality informationPrepared by Checked by Approved by

Fergus O'ReganSenior Environmental Scientist

Kevin FordeAssociate Director

Kevin FordeAssociate Director

Revision HistoryRevision Revision date Details Name Position

1 12 December 2016 Final Kevin Forde Associate Director

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AECOM

Prepared for:Pfizer Ireland Pharmaceuticals LimitedWallingstownLittle IslandCork

Prepared by:Fergus O'ReganSenior Environmental ScientistT: +353 (21) 4365 006M: +353 (87) 3295 461E: [email protected]

AECOM Ireland LimitedDouglas Business CentreCarrigaline RoadDouglasCork

T: +353 21 4365 006aecom.com

© 2016 AECOM Ireland Limited. All Rights Reserved.

This document has been prepared by AECOM Ireland Limited (“AECOM”) for sole use of our client (the “Client”)in accordance with generally accepted consultancy principles, the budget for fees and the terms of referenceagreed between AECOM and the Client. Any information provided by third parties and referred to herein has notbeen checked or verified by AECOM, unless otherwise expressly stated in the document. No third party may relyupon this document without the prior and express written agreement of AECOM.

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Table of ContentsExecutive Summary .......................................................................................................................................... 51. Introduction ............................................................................................................................................ 7

1.1 Background Information ............................................................................................................... 71.1.1 Site History ................................................................................................................................. 71.1.2 Site Description, Topography and Setting ..................................................................................... 71.1.3 Hydrology ................................................................................................................................... 81.1.4 Soils and Geology ....................................................................................................................... 81.1.5 Hydrogeology .............................................................................................................................. 91.1.6 Groundwater Flow ....................................................................................................................... 91.1.7 Groundwater Redox Chemistry .................................................................................................... 91.1.8 Chemicals of Potential Concern ................................................................................................. 101.1.9 Source-Pathway-Receptor Linkages .......................................................................................... 101.1.10 Monitoring Network and Sampling Schedule............................................................................... 111.2 Project Objectives ..................................................................................................................... 111.3 Scope of Works ......................................................................................................................... 111.3.1 Sampling Methodology .............................................................................................................. 121.3.2 Laboratory Analyses .................................................................................................................. 12

2. Results and Discussion of Monitoring Programme ................................................................................. 132.1 Site Hydrogeology and Groundwater Flow.................................................................................. 132.1.1 Water Quality Parameters .......................................................................................................... 132.1.2 Groundwater Flow Gradient ....................................................................................................... 132.1.3 Field Observations .................................................................................................................... 132.2 Laboratory Analysis of Groundwater Samples ............................................................................ 142.2.1 Assessment Guidelines ............................................................................................................. 142.2.2 Groundwater Monitoring Results ................................................................................................ 142.2.2.1Volatile Organic Compounds ...................................................................................................... 142.2.2.2Semi-Volatile Organic Compounds ............................................................................................. 142.2.2.3Major Ions ................................................................................................................................. 142.2.2.4Duplicate Sample ...................................................................................................................... 152.2.3 Temporal Trends in Chemicals of Potential Concern ................................................................... 152.3 Conceptual Site Model............................................................................................................... 162.3.1 Potential Pollutant Linkages ....................................................................................................... 17

3. Summary, Conclusions and Recommendations ..................................................................................... 193.1 Summary and Conclusion .......................................................................................................... 193.2 Recommended Way Forward ..................................................................................................... 19

FiguresTablesAppendix A – Laboratory Certificates

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Executive SummaryThe second groundwater monitoring round for 2016 was conducted by AECOM on 03 November 2016 at thePfizer Ireland Pharmaceuticals Limited site, Little Island, Co. Cork. The monitoring was completed in accordancewith the site’s Industrial Emissions Licence (IEL) and is reported in accordance with Stage 1 - Step 2 of theEnvironmental Protection Agency’s (EPA’s) Guidance on the Management of Contaminated Land andGroundwater at EPA Sites, issued in 2013.

During November 2016, groundwater from the following monitoring wells was sampled:

· 200-series wells – wells 203 (plus duplicate Dup 01) and 207

· 300-series wells – wells 301, 302, 304 and 305

· 600-series wells – well 604

No floating/sinking non-aqueous phase liquid layer was detected in any of the groundwater monitoring wells.

The site is underlain by sand and gravel fill, overlying natural gravelly silt, which in turn overlies limestonegravels. Depth to bedrock has not been proven (>16 m below ground level) on the Pfizer Little Island site. Thegeneral groundwater flow direction in the gravel aquifer in November 2016 was to the north and north-west(toward Bury’s Bridge Basin).

Field measurements of water quality parameters and low nitrate concentrations are consistent with results ofprevious monitoring rounds and indicate that groundwater beneath the site is low in dissolved oxygen and isreducing (anaerobic). However, groundwater is no longer sufficiently reducing for the widespread generation ofhydrogen sulphide gas – hydrogen sulphide odours were detected during purging and sampling of two of theseven wells monitored in November 2016.

Groundwater analytical results for methyl tertiary butyl ether (MTBE) in November 2016 are similar to theprevious monitoring round in April 2016. In November 2016, MTBE was detected above the GroundwaterThreshold Value (GTV) (0.010 mg/L) at wells 203 (0.0104 mg/L), 302 (0.015 mg/L) and 604 (0.265 mg/L);however, all concentrations of MTBE were reported below the IGV.

Volatile organic compound (VOC) results for groundwater monitoring conducted in November 2016 are amongstthe lowest recorded in recent years. Between April 2016 and November 2016, the MTBE concentrationdecreased to below the EPA Draft Interim Guideline Value (IGV) of 0.030 mg/L in groundwater from well 203(from 0.045 mg/L to 0.010 mg/L).

In April 2014, the EPA requested that well 604, (drilled on the Buffer Property in November 2013) be included inall future groundwater monitoring rounds. Concentrations of MTBE at well 604 have declined between April 2014(0.162 mg/L) and November 2016 (0.0265 mg/L). The November 2016 MTBE result for well 604 is the lowestresult to date.

The continual detection of MTBE in groundwater from well 604 since it was drilled and installed in November2013 indicates that MTBE is continuing to be flushed through the sand and gravel aquifer beneath the sitetowards Bury’s Bridge Basin.

Toluene was not detected in groundwater from any well sampled in November 2016; the most recent toluenedetection on the site was in March 2009 at well 203 (0.002 mg/L).

Excluding MTBE, no other VOCs from the standard suite of VOCs were detected above laboratory methoddetection limits (MDLs).

In the 2000 Qualitative Risk Assessment (QRA), AECOM (then URS Dames & Moore) estimated that worst-caseMTBE concentrations of up to 10 mg/L in Bury’s Bridge Basin would not cause significant harm to the aquaticecosystem1.

Given that MTBE concentration close to the down-gradient site boundary in November 2016 is more than twoorders of magnitude lower than 10 mg/L (0.027 mg/L at well 604) and the potential for dilution in the basin isgreat, potential environmental impact of MTBE in groundwater discharging to the basin under November 2016conditions is considered to be negligible.

1 URS Dames & Moore (AECOM legacy company) report, 13218-123-447, dated January 2001

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Based on the Round 2 2016 groundwater monitoring results, AECOM continue to recommend that the frequencyof groundwater sampling be reduced from biannually to annually.

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1. IntroductionAECOM Professional Services Ireland Limited (AECOM) was requested by Pfizer Ireland PharmaceuticalsLimited (Pfizer) to conduct biannual groundwater monitoring during 2016 at their Little Island facility, Co. Cork.The groundwater monitoring programme was detailed in AECOM Proposal OPP-454637, dated 29 January 2016and authorised by Pfizer under their purchase order number N-3604810, dated 01 February 2016.

The AECOM team for Round 2 November 2016 comprised the following:

· Project Director: Kevin Forde, Associate Director

· Project Manager and Field Scientist: Fergus O’Regan, Senior Environmental Scientist

Laboratory analysis of samples was subcontracted to Exova Jones Laboratories, Flintshire, U.K.; an-AECOMapproved laboratory with UKAS accreditation.

1.1 Background Information

1.1.1 Site History

The Pfizer Little Island facility is situated in an industrial estate approximately 8 kilometres (km) east of Cork city.A site location plan is presented as Figure 1.

The facility, originally developed in 1978 by Plaistow Limited, manufactures synthetic chemicals of bulk activepharmaceutical ingredients (API) for use in the pharmaceutical industry. Warner Lambert acquired the site in1997 and merged with Pfizer in 2000.

The site was granted an Integrated Pollution Control (IPC) licence (P0136-01) in December 1996 by theEnvironmental Protection Agency (EPA). The licence was revised to an Integrated Pollution, Prevention andControl (IPPC) in September 2007 (P0136-03). The IPPC licence was most recently revised in 2010 (P0136-04).IPPC licence P0136-04 was converted by the EPA in January 2014 to an Industrial Emissions Licence (IEL) inline with provisions and requirements of Council Directive 2010/75/EU.

Groundwater and localised soil contamination by organic solvents, predominantly methyl tertiary butyl ether(MTBE) and toluene have been previously identified at the Pfizer Little Island facility. Groundwater dischargesfrom the facility to a tidal surface water body adjacent to the site called Bury’s Bridge Basin.

Significant upgrades to the site’s effluent drainage system were made between 2006 and 2008 by Pfizer,including bringing effluent drainage above ground where feasible.

Based on the decline in MTBE concentrations across the site, risk assessment of the presence of MTBE ingroundwater in 2001 predicted no significant environmental impacts on the aquatic flora and fauna in Bury’sBridge Basin due to exposure to low concentrations of MTBE2.

1.1.2 Site Description, Topography and Setting

The main site comprises a manufacturing facility with associated administration buildings, on-site and off-site carparks and a wastewater treatment plant (WWTP). The site manufactures bulk API and is often referred to as theAPI site. The API site is approximately 4.5 ha in area.

In 2005, Pfizer acquired approximately 2.26 ha of land located to the west of the API site. This area is referred toas the ‘Buffer Property’ (BP) and was incorporated within a revised site boundary in the IPPC licence revision forthe main site in 2007/2008 (IPPC licence revision P0136-03).

In general, the API site slopes upwards to the north, before sloping down towards Bury’s Bridge Basin, a tidalchannel located immediately north of the site. Ground elevation at the site varies between approximately 2 m and11 m above Ordnance Datum (aOD).

2 AECOM report, Assessment of MTBE Persistence in the Source Area, Pfizer, Little Island, Cork, dated 14 November 2002,ref. 17717-113-447/KF

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By contrast, the BP is relatively flat and is at a general elevation of less than 5 m aOD (Malin). The BP is at alower elevation than surrounding lands to the west, south and east, which reach elevations of approximately 10 maOD to the south and east and up to 15 m aOD to the west.

Land use in the vicinity of the main API site is predominantly commercial/industrial, as summarised below:

North – Bury’s Bridge Basin and N25 dual carriageway.

South – Cara Partners (IEL P0017-02, a homeopathic medicine production facility) is located to the south.Further south is the Little Island main road, with the shoreline of Cork Harbour 75 m beyond that.

East – Industrial units (including John Davis Design and the empty former Showerlux site) are to the east withopen grassland beyond (~100m to the east of the site). Further to the east (~200m to the east of the site) is amajor development of office and light industrial facilities (Eastgate Business Park).

West – Cara Partners fire water retention pond and a Gas Networks Ireland (formerly Bord Gais Eireann) aboveground installation (AGI, gas transmission infrastructure) immediately to the west. Further to the west is the BP,and beyond that (~150m west of the site) is Tapella Limited (Integrated Pollution Control (IPC) licence P0103-02,former pharmaceutical facility), where a number of small start-up businesses occupy the former office, laboratoryand warehouse buildings (now termed the Hoffman Science Technology Enterprise Park). The other buildingsassociated with the former pharmaceutical facility have been demolished in 2015/2016.

The BP has not been developed since it was acquired in 2005, other than fencing-off the boundaries of the areaand some improvements to the surface water drainage. Bury’s Bridge Basin lies on the northern boundary of theBP and beyond that is the N25 dual carriageway.

Other nearby chemical/pharmaceutical facilities include:

· Janssen Pharmaceuticals, (IEL P016-02)

· FMC (pharmaceutical)

· Thornbush Holdings Limited, (IPC licence P0389-01)

Little Island is also shared by a small number of residences. Within 1 km of the facility there is a population ofapproximately 500 people and a primary school is located approximately 1 km to the east of the facility.

A site layout plan is presented as Figure 2.

1.1.3 Hydrology

Little Island is located in the northern part of Cork Harbour called Lough Mahon. Bury’s Bridge Basin, a tidalchannel on the sites northern boundary, eventually flows into Lough Mahon, which is located approximately750 m west of the site. The basin comprises of a mudflat, and a narrow intertidal channel.

The estuarine water quality in Lough Mahon (2010 – 2012 data) is classified as ‘Intermediate’ by the EPA3.

Under the Water Framework Directive (WFD) (2009-2015 data), Lough Mahon, a Transitional Waterbody, isclassified as ‘Moderate’.

There are no significant rivers in close proximity to the API production site or BP. The nearest river is theGlashaboy River, which is located approximately 1.5 km north-west of the industrial estate and which flows fromnorth to south into Lough Mahon.

1.1.4 Soils and Geology

Geological Survey of Ireland (GSI) data4 indicate that the bedrock aquifer underlying the site consists of‘Dinantian Pure Unbedded Limestone’. According to the GSI, the majority of the site is covered with madeground overlying bedrock, with glacial sandstone tills occupying a small section in the eastern part of the site,however site-specific geological data contradicts the GSI information and indicates tills overlying sands andgravels below the fill across the entire site.

3 www.epa.ie, accessed on 25 November 20164 www.gsi.ie

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Subsoil thickness varies across the Pfizer Little Island site, with actual drilling records indicating sand and gravelfill overlying natural gravelly silts overlying limestone gravels. Drilling on site has not proven depth to bedrock(>16 m below ground level (bgl)). Limestone rock outcrop and subcrop are also located in the vicinity of theformer Inchera House and Quarry, located approximately 600 m west of the site boundary.

1.1.5 Hydrogeology

According to the GSI online maps, the Waulsortian bedrock aquifer in the region is classified as a RegionallyImportant Aquifer – karstified, diffuse (Rkd). Northern sections of the site border a “locally important aquifer (LI),which is moderately productive in local zones”. The GSI classifies the interim vulnerability of the underlyingaquifer as ‘High’.

There is a groundwater abstraction well on the API production site. The well was drilled in 2010 on the easternside of the site to approximately 16 m bgl and installed within the gravel aquifer. Water from the well (referred toin this report as the Production Well) was being used for cooling purposes in the WWTP. The daily averagevolume of water abstracted from the Production Well during 2014 was 23 m3/d, with elevated salinity. There hasbeen no abstraction of groundwater from the well since early December 2014.

Two wells are recorded in the GSI database within a 1 km radius of the API site. One borehole is identifiedapproximately 300 m to the south, with a second well (industrial use) approximately 650 m to the south-east ofthe site. No details are available as to whether the wells are currently in use; what geological unit the wellsabstract groundwater from; or, the depth from which they abstract groundwater. Given that groundwater in thiscoastal area is likely to be brackish and, as they are situated in a heavily commercial/industrial area, it is unlikelythat wells for potable use are located in the vicinity of the site. It is considered that wells in the vicinity of the siteare likely to be groundwater monitoring wells or used for industrial supply purposes.

There are four wells reported on the GSI database within 2 km radius of the BP, all of which are groundwatermonitoring wells installed at industrial sites as part of the conditions attached to EPA regulatory licences.

Groundwater vulnerability in the general Wallingstown area is assessed as “High” by the GSI because of thepredominantly thin and permeable subsoils present, with areas of “Extreme” vulnerability immediately to the westof the BP (rock mapped at, or close to, the surface, there is an old limestone quarry in this area).

1.1.6 Groundwater Flow

Depth to groundwater ranges from approximately 3.0 m to 6.0 m below casing top (m bct); with groundwater flowdirections in the limestone gravel aquifer beneath the main site to the north and north-west (towards Bury’sBridge Basin).

The majority of the API site is covered by either concrete hard standing or tarmac at ground level, which restrictsinfiltration of rainfall to the gravel aquifer beneath.

Given its proximity to the tidal Bury’s Bridge Basin, groundwater beneath the BP is anticipated to show tidalfluctuations. Groundwater is interpreted to follow the topography and flow from more elevated lands surroundingthe BP, possibly converging on the BP from the west, south and east.

Groundwater from beneath the BP is expected to discharge northward to Bury’s Bridge Basin. There is historicaldirect evidence of groundwater discharge to the basin via coarser areas within the tidal mud flats to theimmediate north-west of the main site at low tide; however these areas have been subsequently infilled anddeveloped.

1.1.7 Groundwater Redox Chemistry

Field measurements of dissolved oxygen (DO) and oxidation redox potential (ORP), together with low nitrateconcentrations, suggest groundwater conditions are both reducing and anaerobic down-gradient of the formerAeration Basin area of the site. However, groundwater is no longer sufficiently reducing for the widespreadgeneration of hydrogen sulphide gas – hydrogen sulphide odours were detected during purging and sampling oftwo of the seven wells monitored in November 2016.

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1.1.8 Chemicals of Potential Concern

Groundwater monitoring results are available going back to 1997 for selected wells (see Table 7). MTBE is theonly remaining chemical of potential concern (COPC) detected in groundwater beneath the site.

Toluene had historically been widely detected in groundwater beneath the site, but has remained below thelaboratory method detection limit (MDL) since March 2009.

Other VOCs, such as chloroform and 1-1, dichloroethane (1,1-DCA), are occasionally detected in groundwaterfrom monitoring wells, but generally at low concentrations.

Since significant upgrades to the site effluent drainage system between 2006 and 2008, the general trend hasbeen for VOC concentrations in groundwater to decrease.

The highest VOC concentration historically reported was for MTBE, detected in groundwater from monitoring well404 at a peak concentration of 1,098 mg/L in May 2005. This well is located in the south western corner of thesite, in the area of the former Aeration Basin. Since May 2011, MTBE concentrations in groundwater from well404 have been below 0.20 mg/L.

The highest concentration historically reported for toluene was 190 mg/L, detected in groundwater frommonitoring well 203 in November 1997. Since September 2009, toluene results from well 203 have beenconsistently below the laboratory MDL (0.0005 mg/L).

1.1.9 Source-Pathway-Receptor Linkages

A summary of potential Source-Pathway-Receptor (SPR) linkages are outlined in the table below.

POTENTIAL SPR LINKAGES

Sources Pathways Receptor

S1 MTBE and other VOCs in soiland groundwater related tohistorical leaks from undergroundpipelines

Human HealthP1 Ingestion of soil/dust,groundwater or surface waterP2 Dermal contact with soil,dust, and groundwaterP3 Inhalation of indoor andoutdoor contaminant vapourswhich can arise directly fromresidual contaminants in theunsaturated overburden itselfand indirectly via the dissolvedphase in groundwater

Human HealthR1 On-site workersR2 Off-site workersR3 Workers on-siteundertakingsubsurface works

Controlled WatersP4 Lateral migration ofcontaminants through thegravel aquifer

Water Supply WellThere are noknown potablewater supplieswithin 300 m of siteOn-site productionwell – used forcooling purposesonly and notpotable supply

Controlled WatersR4 Bury’s BridgeBasinR5 Cork HarbourSPA (No. 004030)R6 Dunkettle Shore(pNHA)

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1.1.10 Monitoring Network and Sampling Schedule

Over several years of site investigation, Pfizer has built up a network of monitoring wells on the API site.Monitoring wells on-site are screened at various depths but all are within subsoils; there are no deep monitoringwells screened within the bedrock aquifer.

In November 2013, four boreholes were drilled on the BP to a maximum depth of 10 m bgl, to assist in thepreparation of a hydrogeological assessment report5. All four groundwater monitoring wells were screened withinthe gravel aquifer.

Former IPC and IPPC licence requirements included monitoring of groundwater on a monthly and quarterly basisacross the site from selected wells.

Due to improvements in infrastructure and groundwater quality at the site, the EPA agreed in 2007 to reducegroundwater monitoring frequency from quarterly to biannually, under a revised IPPC licence.

In May 2010, the EPA further agreed to remove wells 403 and 501 from the sampling schedule and requestedthat wells 206 and 303 be monitored biennially, as opposed to biannually.

As agreed with the EPA in August 2012, wells 201, 202, 205A and 405 were removed from monitoring schedule.

Groundwater from the following wells is currently sampled in accordance with the site’s IEL:

· Biannual sampling: 203, 207, 301, 302, 304, 305, 404

· Biennial sampling: 206 and 303

In February 2014, the EPA also requested that well 604 be sampled in all future groundwater monitoring rounds.

The suite of parameters analysed for in each monitoring round generally includes:

· VOCs

· Semi-Volatile Organic Compounds (SVOCs), including polycyclic aromatic hydrocarbons (PAHs)

· Major Ions (calcium, magnesium, potassium, sodium, sulphate, chloride, nitrate and total alkalinity)

· pH

· Electrical conductivity (EC)

1.2 Project Objectives

The main objective of groundwater monitoring is to ensure that the Pfizer Little Island site complies withgroundwater monitoring requirements detailed in the site’s IEL and as agreed with the EPA.

Secondary objectives of the monitoring are:

· To assess short and long-term concentration trends in key chemicals of potential concern for the selectedwells

· To assess groundwater flow direction in the gravel aquifer

1.3 Scope of Works

Fieldwork for Round 2 2016 monitoring was carried out on 03 November 2016.

The scope of work for Round 2 IEL groundwater sampling comprised sampling from six on-site monitoring wellsand one off-site monitoring well on the BP as follows:

· 200-series wells – wells 203 (plus duplicate sample Dup 01) and 207

· 300-series wells – wells 301, 302, 304 and 305

· 600-series wells – well 604 (located on the BP)

5 AECOM Report, CKRP0003/47092578, Issue 4/Final, dated 28 March 2014

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Well 404 is required to be monitored on a biannual basis; however, well 404 was dry during Round 2 2016 and nogroundwater sample was obtained for analysis.

The site layout, showing groundwater sampling locations, is presented in Figure 2.

1.3.1 Sampling Methodology

Prior to sampling, the depth to groundwater in all accessible monitoring wells on site was measured using anelectronic interface probe. An interface probe is capable of distinguishing between water and separate-phasenon-aqueous layers, which can be either more or less dense than water.

Groundwater samples were collected in accordance with AECOM groundwater sampling protocols, usingdedicated sampling equipment in each monitoring well.

Stable measurements of groundwater quality parameters (DO, pH, EC, ORP and temperature) were recordedusing a calibrated water quality meter and flow through cell (where possible). A flow-through cell minimisescontact between the water sample and the atmosphere, which is critical for measuring DO and ORP accurately.

Sample containers were labelled in the field and the details were entered onto a chain of custody form. Sampleswere stored in a chilled cool-box on site and during overnight transit to the laboratory.

1.3.2 Laboratory Analyses

Groundwater samples were sent for analysis to Exova Jones Environmental Laboratory, Flintshire, U.K.; an-AECOM approved laboratory with UKAS accreditation.

Groundwater samples from all wells were submitted for analysis of the following parameters:

· VOCs

· SVOCs

· Major Ions (calcium, magnesium, potassium, sodium, sulphate, chloride, nitrate and total alkalinity)

A duplicate sample was collected from well 203 for quality assurance purposes, labelled as:

· Dup 01

A sample inventory is provided in Table 1. Analytical results are presented in Tables 2 to 4, with laboratorycertificates in Appendix A.

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2. Results and Discussion of Monitoring Programme

2.1 Site Hydrogeology and Groundwater Flow

2.1.1 Water Quality Parameters

Table 5 presents field water quality measurements of DO, pH, ORP, EC and temperature for all wells sampled inNovember 2016.

In Round 2 2016, DO readings were low across the site, ranging between 1.10 mg/L (well 304) and 4.50 mg/L(well 604).

Field readings of ORP (relative to an Ag/AgCl reference electrode) were compensated as per the manufacturer’sinstructions, giving adjusted redox potential (Eh) readings of between 130 mV (well 203) and 260 mV (well 207).

DO readings and field ORP results generally indicate anaerobic groundwater conditions beneath the site.

Groundwater pH readings were generally close to neutral, ranging between 6.45 (well 301) and 8.10 (well 404) inNovember 2016. All readings were within the typical range for Irish groundwater (6 - 9 pH units).

EC values measured in the field ranged from 330 mS/cm (well 305) to 2,490 mS/cm (well 207). The recorded ECvalues for November 2016 are comparable to those recorded in previous monitoring rounds. The higher ECreading for well 207 confirms analytical results, which show elevated major ion concentrations.

Groundwater temperatures recorded in Round 2 2016 were between 12.3 °C (well 604) and 14.8 °C (well 301).Groundwater temperature values were above the normal range for groundwater in Ireland of 10.0 ºC to 12.0 ºC.

2.1.2 Groundwater Flow Gradient

Depth to groundwater measurements and calculated water table elevations from all accessible wells in Round 22016 are presented in Table 6. Depth to groundwater ranged from 2.525 m bct at well 501 to 6.445 m bct at well301.

A piezometric surface contour map for the deeper gravel aquifer is presented as Figure 3.

The overall direction of groundwater flow is interpreted from the groundwater elevation data to be to the north andnorth-west, toward Bury’s Bridge Basin. This interpretation is consistent with previous interpretations ofgroundwater flow across the site.

2.1.3 Field Observations

During the water level measurement round, no light/dense NAPL layers were identified in any of the wells.

Considerable amounts of silt have entered the well-head chamber at well 207. As had been recommended byAECOM in previous monitoring reports, the cover and headworks of the well have been re-sealed, to preventfurther ingress of silt and surface water run-off.

The total depth of each well, as measured on 03 November 2016, has been compared to the reported welldepths on installation (Table 6). Some siltation has occurred in most wells, with the thickness of silt accumulatingin the base of each well ranging from 0.01 m (well 403) to 2.87 m (well 207). The accumulation of silt in the baseof well 207 has blocked approximately 96% of the total screen length in this well.

During the October 2011 monitoring round, a surge block was used to try to remove this accumulated silt fromwell 207. The well was purged for over an hour and it was considered that the removal of silt was not occurringat a quick enough rate to continue.

Despite the degree of siltation in the base of well 207, it remains a functioning monitoring well and the rate ofrecharge to the well during purging does not appear to have decreased. Therefore, it is not recommended thatmore aggressive rehabilitation methods be undertaken at this stage.

In May 2012, a surge block was used to try and remove accumulated silt from well 202. Well 202 is located inthe production area. Site safety restrictions prevented the use of a petrol powered pump and so well

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rehabilitation was attempted by purging the well by hand. Over 30 litres of water was purged from the well. Finesilt, but mostly coarse black sand was removed from the well. During well rehabilitation the total depth of the welldecreased slightly rather than increased. It is considered possible that the base of the well is damaged and thatcoarse silica sand that was used as a filter pack during the construction of the well, now coated with organicdeposits, is entering at the base of the well.

2.2 Laboratory Analysis of Groundwater Samples

The results of laboratory analysis of groundwater samples are presented in Tables 2 to 4.

2.2.1 Assessment Guidelines

Preliminary assessment of groundwater field and analytical data was completed by comparing the results with arange of generic groundwater assessment criteria, specifically the Groundwater Threshold Values (GTVs), DraftInterim Guideline Values (IGVs) and the Dutch Intervention Values (DIVs).

The GTVs were developed to give effect to measures needed to achieve the objectives of the Water Frameworkand Groundwater Directives. The GTVs were most recently amended in July 2016 and are defined in Irish law inStatutory Instrument No. 366 of 2016, European Communities Environmental Objectives (Groundwater)(Amended) Regulations, 2016. Exceedance of a threshold value triggers further investigation to confirm whethera ‘Poor’ groundwater chemical status for the groundwater body as a whole is indicated.

The IGVs were developed by the EPA in 2002 using a number of existing water quality guidelines in use inIreland, including existing national environmental quality standards, proposed common indicators for the newgroundwater directive, drinking water standards and GSI trigger values.

The DIVs represent concentrations, above which there may be a risk to human receptors, and above which moredetailed site-specific risk assessment or remediation may be required in the Netherlands. These guidelines haveno legal standing in Ireland and are used as a screening tool for assessment of potential contaminants only.

2.2.2 Groundwater Monitoring Results

2.2.2.1 Volatile Organic Compounds

Based on historical data, MTBE is the primary COPC in groundwater at the site. VOC results (including MTBE)are presented in Table 2 and historic results for the main COPCs are presented in Table 7.

The MTBE concentration in groundwater from well 305 was below the laboratory MDL (0.0001 mg/L) inNovember 2016.

In November 2016, MTBE was detected in groundwater from wells 207, 301, 302, 304 and 305 above the MDLbut at concentrations that did not exceed the IGV (0.03 mg/L) or DIV (9.20 mg/L).

MTBE was detected above the GTV (0.0100 mg/L) at wells 203 (0.0104 mg/L), 302 (0.0150 mg/L) and 604(0.0265 mg/L) in Round 2 2016.

All other VOCs concentrations reported in November 2016 were below their respective MDLs.

Other VOCs which have previously been reported in groundwater at the site include chloroform, 1,1-DCA, 1,1,1-trichloroethane and 1,2-dichlorobenzene.

2.2.2.2 Semi-Volatile Organic Compounds

SVOC results are presented in Table 3. No SVOCs were detected above laboratory MDLs in November 2016.

2.2.2.3 Major Ions

As required by the EPA, seven monitoring wells were analysed for selected major ions in November 2016. Majorion results are presented in Table 4.

Major ion results in November 2016 were within previously reported concentration ranges for all of the wells.

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In November 2016, elevated concentrations (relative to the other wells on site) of magnesium (88 mg/L),potassium (16 mg/L), sodium (349 mg/L), sulphate (501 mg/L) and chloride (331 mg/L) were reported ingroundwater from up-gradient well 207.

Each of the listed five major ion concentrations in groundwater from well 207 exceeded their respective IGVs(and GTVs where applicable).

Historically, groundwater from well 207 consistently records the highest major ion concentrations at the site. Well207 is the deepest monitoring well on site and is likely to be intersecting groundwater from the transition zonebetween shallow, fresh groundwater and deeper, more brackish/saline groundwater, which would account for thehigher major ion concentrations. The higher major ion concentrations are also consistent with the higher fieldreading of EC (2,490 µS/cm) for well 207. The nearby Production Well is of similar depth to well 207 and alsointersects brackish/saline water.

2.2.2.4 Duplicate Sample

In November 2016, duplicate sample analysis of groundwater from well 203 was completed for quality assurancepurposes. The primary (well 203) and duplicate (Dup 01) samples were analysed for VOCs and SVOCs. All VOCand SVOC parameters, with the exception of MTBE were below laboratory MDLs. The relative percentagedifference (RPD) for MTBE in the primary and duplicate samples was 8%.

A RPD of <20% is accepted for analytical variation in VOC samples by US EPA; therefore the Round 2 2016duplicate sample analysis is satisfactory.

2.2.3 Temporal Trends in Chemicals of Potential Concern

Groundwater monitoring results are available going back to 1997 for selected wells (see Table 7 and Figures 5 to10).

MTBE is the only remaining compound of concern detected in groundwater at the Pfizer Little Island site.

The following trends in MTBE concentrations were noted in November 2016:

· The MTBE concentration in groundwater from well 203 decreased from 0.0484 mg/L in April 2016 to0.0104 mg/L in November 2016. The November 2016 MTBE result for well 203 marginally exceeded theGTV (0.0100 mg/L), but was less than the IGV (0.030 mg/L) and was significantly below the DIV(9.20 mg/L). During recent monitoring rounds, MTBE concentrations in groundwater from well 203 arefrequently below the IGV and were last detected above the DIV in September 2006 (Figure 5.1)

· MTBE was reported marginally above the MDL (<0.0001 mg/L) in groundwater from up-gradientgroundwater monitoring well 207 (0.0005 mg/L)

· In groundwater from well 301, the MTBE concentration decreased from 0.0037 mg/L in April 2016 to0.0017 mg/L in November 2016 (Figure 6.2). MTBE was last detected above the IGV in groundwater fromwell 301 in October 2011 (0.035 mg/L)

· The MTBE concentration in groundwater from well 302 increased between April 2016 (0.0035 mg/L) andNovember 2016 (0.0150 mg/L). The MTBE concentration in groundwater from well 302 exceeded the GTVbut has been below the IGV since October 2011 (Figure 7.2)

· In groundwater from well 304, MTBE marginally increased from 0.002 mg/L in April 2016 to 0.005 mg/L inNovember 2016. MTBE concentrations in groundwater from well 304 have been below the DIV sinceDecember 2005 and below the IGV since April 2010 (Figure 8.1 and 8.2)

· In November 2016, MTBE was below the MDL (<0.0001 mg/L) in groundwater from well 305

· Well 604 was installed and first sampled in November 2013, when an MTBE concentration of 0.139 mg/Lwas recorded. MTBE in groundwater from well 604 has declined to 0.0265 mg/L in November 2016 (Figure10.2)

Toluene had historically been detected in groundwater at the site, but has been below the MDL in all wells sinceMarch 2009. In November 2016, toluene remained below the laboratory MDL (0.0005 mg/L) in groundwater fromall wells sampled.

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2.3 Conceptual Site Model

A schematic representation of the conceptual site model (CSM) is presented in Figure 4.

Groundwater and localised areas of soil impacted by VOCs, predominantly MTBE and toluene, have historicallybeen identified on the API site and, to a lesser extent, on the BP.

Since 1997, toluene concentrations have decreased site-wide due to source removal and natural attenuation inthe aquifer. The source of toluene is considered to have been from historic drum storage on the API site and noflux of toluene to the basin is currently occurring. Toluene is no longer detected in groundwater and is no longerconsidered to pose a threat to Bury’s Bridge Basin.

Data from groundwater analysis indicate that there are no current, sustained elevated concentrations of organiccompounds.

The source area for MTBE was largely restricted to the northern and western margins of the Main ProductionBuilding and an area south of the Production Building (OP1), which formerly contained the site’s WWTP.Groundwater impacts in this area are believed to have historically been related to broken effluent drains leadingto the former WWTP.

A drains survey in 1999 identified a damaged section of drain in this area, which was subsequently repaired. Thesite strong stream and weak stream effluent systems were significantly altered and upgraded between 2006 and2008, bringing effluent drains above ground site-wide, where possible. MTBE concentrations across the API sitehave subsequently reduced substantially from peak concentrations recorded in late 1990s and early 2000s, andMTBE is frequently below the MDL in recent monitoring rounds. Based on monitoring data reviewed fromsurrounding industrial sites, there does not appear to be an alternative source of MTBE in the immediate area.

There are no significant rivers or streams in close proximity to the Little Island facility. The nearest surface waterbody is Bury’s Bridge Basin, a shallow tidal inlet of Lough Mahon adjacent to the site. Groundwater is unconfinedwithin the gravel aquifer unit. Depth to groundwater is typically between 2 m and 6.5 m bgl, with equivalentgroundwater elevations generally <1 m aOD. Groundwater flow direction across the API and BP portions of thesite is towards the north and north-west.

Based on the available data, MTBE appears to be migrating from the area of the Main Production Building viagroundwater in a generally north-western direction, ultimately discharging to the Bury’s Bridge Basin. MBTEmovement towards the north-west of the site is under low head difference and groundwater follows the path ofleast resistance. The gravel aquifer itself is considered to be the main migration pathway, rather than a receptor,because of its lack of resource potential and the fact that groundwater is brackish to saline down-gradient of thesite.

Beneath the site, the fresh groundwater lens is expected to be relatively thin, given that the groundwaterelevation is <1 m aOD, this is supported by brackish groundwater in the 10 m deep, unused Production Well onthe site. Natural biodegradation of MTBE is not believed to be occurring to any significant extent along thegroundwater flow path in the anaerobic gravel aquifer.

Concerns about MTBE arise from the fact that its properties differ significantly from other common organicsolvents such as benzene, toluene, ethyl benzene and xylene (BTEX) compounds. MTBE is highly soluble inwater, has low biodegradation potential and low sorption properties, which means that MTBE dissolves rapidly oncontact with groundwater and the resulting MTBE plumes migrate rapidly, thereby threatening potential downgradient receptors. The toxicity of MTBE is low, but its low taste and odour threshold (0.005 –0.015 mg/L inwater) makes it an undesirable contaminant in water used for potable water production6.

Human toxicological data derived from both inhalation and oral routes of exposure suggest that MTBE is of lowacute and sub-acute toxicity. It does not appear to be either a reproductive toxicant or to be mutagenic. TheEnvironment Agency in the U.K. accepts a target criterion of 0.3 mg/L (a factor of 10 higher than the Irish IGV) forsites with no nearby potable groundwater abstractions, similar to the Pfizer site7. All November 2016 MTBEresults for the Pfizer Little Island site are below this EA criterion for MTBE.

6 Chisala BN, Tait NG, Lerner DN, 2007. Evaluating the Risks of MTBE Pollution of Urban Groundwater. Journal ofContaminant Hydrology 91:128-1457 Environment Agency, 2000. A Review of the Current MTBE Usage and Occurrence in Groundwater in England and Wales.R&D Project Report No. 97

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Seepages of MTBE-impacted groundwater to the Bury’s Bridge Basin have been historically identified (i.e. URSDames & Moore 2001 - Quantitative Risk Assessment). However, due to its low aquatic toxicity and high volatility,MTBE is not considered to pose a significant threat to the aquatic ecosystem in Bury’s Bridge Basin, even atconcentrations significantly higher than those detected in groundwater from the Little Island site in recent years.

The ongoing detections of MTBE at well 604 since it was drilled and installed in November 2013, indicates thatMTBE is continuing to be flushed through the sand and gravel aquifer beneath the site north-westward towardsthe basin. MTBE in groundwater entering Bury’s Bridge Basin is greatly diluted by tidal flushing and is expectedto be transported throughout the basin and into Cork Harbour/Lough Mahon by tidal mixing.

Detected elevated concentrations of some major ions (potassium, sodium, magnesium, sulphate and chloride)are considered to be related to the site’s location adjacent to the tidal Bury’s Bridge Basin. The mixing ofgroundwater and more saline surface water results in higher concentrations of these major ions in certain wells(particularly the deeper well 207 and the Pfizer Production well).

2.3.1 Potential Pollutant Linkages

A summary of potential Source-Pathway-Receptor (SPR) linkages is outlined in the table below.

POTENTIAL SPR LINKAGES

Sources Pathways Receptor

S1 MTBE and other VOCs in soiland groundwater related tohistorical leaks from undergroundpipelines

Human HealthP1 Ingestion of soil/dust,groundwater or surface waterP2 Dermal contact with soil,dust, and groundwaterP3 Inhalation of indoor andoutdoor contaminant vapourswhich can arise directly fromresidual contaminants in theunsaturated overburden itselfand indirectly via the dissolvedphase in groundwater

Human HealthR1 On-site workersR2 Off-site workersR3 Workers on-siteundertakingsubsurface works

Controlled WatersP4 Lateral migration ofcontaminants through thegravel aquifer

Water Supply WellThere are noknown potablewater supplieswithin 300 m of siteOn-site productionwell – used forcooling purposesonly and notpotable supply

Controlled WatersR4 Bury’s BridgeBasinR5 Cork HarbourSPA (No. 004030)R6 Dunkettle Shore(pNHA)

In 2001, AECOM estimated that worst-case MTBE concentrations of up to 10 mg/L in Bury’s Bridge Basin wouldnot cause significant harm to the aquatic ecosystem1.

Given that MTBE concentrations in the sand and gravel unit across the site in November 2016 are more than twoorders of magnitude lower than 10 mg/L (groundwater monitoring wells 203 (0.0104 mg/L) and 604 (0.0265 mg/L)had the highest concentrations of MTBE in November 2016) and the potential for dilution in the basin is great, the

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potential environmental impact of MTBE in groundwater discharging to the basin under November 2016conditions is considered to be negligible.

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3. Summary, Conclusions and Recommendations

3.1 Summary and Conclusion

The general groundwater flow direction in November 2016 was to the north and north-west (toward Bury’s BridgeBasin) and is consistent with previous monitoring rounds.

In November 2016, MTBE was detected above the GTV (0.010 mg/L) at wells 203 (0.0104 mg/L), 302(0.015 mg/L) and 604 (0.265 mg/L); however, all concentrations of MTBE were reported below the IGV.

In general, groundwater analytical results for MTBE in November 2016 are similar to the previous monitoringround in April 2016 and are some of the lowest MTBE concentrations on record. The November 2016 analyticalresults continue to demonstrate the long-term declining trend in MTBE concentrations observed since significantupgrades to the site effluent drainage system between 2006 and 2008.

Toluene was not detected above the MDL in groundwater from any well sampled in Round 2 November 2016 andhas not been detected in groundwater since March 2009.

Excluding MTBE, no other VOCs from the standard suite of VOCs were detected above laboratory MDLs.

3.2 Recommended Way Forward

Based on the results of the first round of 2016 biannual groundwater monitoring, AECOM continue to recommendthat the groundwater monitoring frequency be reduced from biannually to annually.

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N.T.SJob No.SCALE

FO’R

CLIENT

PROJECT LOCATION

DRAWING TITLENOV 2016

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PFIZER IRELAND PHARMACEUTICALS

FO’R KF

60488151FIGURE 1 - SITE LOCATION PLAN

CORK

LITTLE ISLAND CO. CORK

SITELOCATION

Contains Ordnance Survey Data Crown Copyright and database right 2016. Reproduced from Ordnance Survey digitalmap data. Crown copyright 2016. All rights reserved.

2016. Material is reproduced with the permission ofNatural England 2016. Copyright English Heritage 2016.Reproduced under the terms of the Click-Use Licence.(C) AECOM 2016.

Licence number 0100031673. Copyright Natural England

DOUGLAS BUSINESS CENTRE, CARRIGALINE ROAD,DOUGLAS, CORK

TEL: +353 (0)21 436 5006 WWW.AECOM.COM

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PFIZER IRELANDPHARMACEUTICALS

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FIGURE 2 SITE LAYOUTSHOWING BOREHOLE LOCATIONS

LITTLE ISLAND, CORK, IRELAND

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KF DOUGLAS BUSINESS CENTRE, CARRIGALINE ROAD,DOUGLAS, CORK

TEL: +353 (0)21 436 5006 WWW.AECOM.COM

PFIZER IRELANDPHARMACEUTICALS

CLIENT

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DRAWING TITLEFIGURE 3 GROUNDWATER CONTOUR

MAP - GAVEL AQUIFER -03 NOVEMBER 2016

LITTLE ISLAND, CORK, IRELAND

60488151

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PFIZER IRELAND PHARMACEUTICALS 60488151

VOCS IN SOILVOCS IN GROUNDWATER IN BEDROCK AQUIFER

INGESTION OF SOIL AND DUST

DERMAL CONTACT WITH SOIL AND DUSTINHALATION OF VAPOURS INDOORS ANDOUTDOORSLATERIAL MIGRATION THROUGH SAND ANDGRAVEL AQUIFER TO BURYS BRIDGE BASIN

ON-SITE WORKERSBURYS BRIDGE BASIN

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CONCETPUALSITE MODEL

DOUGLAS BUSINESS CENTRE, CARRIGALINE ROAD,DOUGLAS, CORK

TEL: +353 (0)21 436 5006 WWW.AECOM.COM

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Figure 5.1: Historical Toluene and MTBE Concentration Trend Data for Well 203 (September 1997 - June 2008)

AECOM Pfizer Little Island Round 2 (November) 2016 Tables Final

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Figure 5.2: Historical Toluene and MTBE Concentration Trend Data for Well 203 (June 2008 - November 2016)


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Figure 5.3: Historical MTBE Concentration Trend Data for Well 203 (June 2008 - November 2016)


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Figure 6.1: Historical Toluene and MTBE Concentration Trend Data for Well 301 (September 1998 - March 2008)


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Figure 6.2: Historical Toluene and MTBE Concentration Trend Data for Well 301 (March 2008 - November 2016)


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Figure 6.3: Historical MTBE Concentration Trend Data for Well 301 (March 2008 - November 2016)


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Figure 7.1: Historical Toluene and MTBE Concentration Trend Data for Well 302 (September 1998 - March 2008)


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Figure 8.1: Historical Toluene and MTBE Trend Data for Well 304 (September 1998 - March 2008)


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Figure 9.1: Historical Toluene and Chloroform Concentration Trend Data for Well 404 (March 2003 - March 2009)


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Figure 9.2: Historical Toluene and Chloroform Concentration Trend Data for Well 404 (March 2009 - April 2016)


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Figure 9.3: Historical MTBE Concentration Trend Data for Well 404 (March 2009- April 2016)


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Figure 9.4: Historical Chloroform Concentration Trend Data for Well 404 (January 2006 - April 2016)


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Figure 10.1: Historical Toluene and Chloroform Concentration Trend Data for Well 604 (November 2013 - November 2016)


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Figure 10.2: Historical Chloroform Concentration Trend Data for Well 604 (November 2013 - November 2016)


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AECOM

Tables

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Compiled by: FO'RChecked by: KF

Table 1 - Sample Inventory, Pfizer Little Island - November 2016

VOCs SVOCs Major Ions

203 (plus duplicateDup 01) X X X X

206* NA NA NA NA

207 X X X X301 X X X X302 X X X X303* NA NA NA NA304 X X X X305 X X X X404 ~ ~ NA ~

201+ NA NA NA NA202+ NA NA NA NA

205A+ NA NA NA NA402 NA NA NA NA403^ NA NA NA NA405+ NA NA NA NA501^ NA NA NA NA502 NA NA NA NA503 NA NA NA NA503 NA NA NA NA

Production Well NA NA NA NA601~ NA NA NA NA602~ NA NA NA NA603~ NA NA NA NA604~ X X X X

Notes:VOCs : Volatile Organic CompoundsSVOCs: Semi Volatile Organic CompoundsMajor Ions: Calcium, magnesium, potassium, sodium, sulphate, chloride, nitrate and total alkalinityField Parameters: Dissolved oxygen, oxidation-reduction potential, pH, electrical conductivity and temperature

~: Not scheduled for analysisNA: Analysis not required

^ As agreed with the EPA (May 2010), wells 403 and 501 were removed from monitoring schedule+ As agreed with the EPA (August 2012), wells 201, 202, 205A and 405 were removed from monitoring schedule~600 Series wells drilled in the Overflow Car Park and Buffer Property in November 2013. Well 604 is now included inthe biannual monitoring schedule

Additional monitoring wells onsite - not included in IEL monitoring.

MonitoringWell

IEL C.6 Monitoring RequirementsLaboratory Parameters

Field Parameters

* As agreed with the EPA (May 2010), wells 206 and 303 are monitored biennially, to be monitored next in Round 1 2018

X: Scheduled for analysis


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Table 2 - Volatile Organic Compound Results (mg/L), Pfizer Little Island - November 2016

203 Dup 01 207 301 302 304 305 6043-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16

---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003

0.030 1 0.010 ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.0030.010 1 0.015 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003

---- 0.9 ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.0030.030 1 0.020* 0.000375 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003

---- 0.080** ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0010.012 0.400 0.075 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.0020.500 0.300 ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.0020.001 0.030 0.00075 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005

---- 0.080** ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.0020.070, 0.010 4 0.500 0.0075 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003

---- ---- 0.075 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.010 1 0.525 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002---- 0.130 ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.020 0.01 ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.0021,2-Dichloroethane 0.003 0.40 0.00225 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 0.003

---- 0.005 0.000375 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001---- 0.080** ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.010, 0.040 2 0.04 0.0075 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- 0.075 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.001 0.18 ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.010 0.15 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050.010 5 0.070***** ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0010.010 5 0.070***** ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005

---- 0.300 ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002---- 0.630 0.075 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.030 1 0.020* 0.000375 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- 0.050*** ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- 0.050*** ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003

0.01 0.050*** ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003---- ---- ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.0004 3 0.010*** ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.0030.0001 ---- ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.0030.001 0.070 ---- <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002

0.0004 3 0.010*** ---- <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.0030.030 9.20 0.01 0.0104 0.0113 0.0005 0.0017 0.015 0.0045 <0.0001 0.0265

Shaded Indicates Result is above Dutch Intervention Value (DIV)BOLD Indicates Result is above Interim Guideline value (IGV)Italics Indicates Result is above Guideline Threshold Value (GTV)

`

Monitoring Well ID

1,1-DichloroetheneDichloromethane

VOC Dutch InterventionValue

EPA InterimGuideline Values

GuidelineThreshold Value

DichlorodifluoromethaneChloromethaneChloroethaneBromomethane

MTBE1,2,3-Trichlorobenzene

Trichlorofluoromethane

Vinyl Chloride (VC)

1,1-Dichloroethanecis-1,2-Dichloroethene (cDCE)2,2-DichloropropaneChloroformBromochloromethane1,1,1-TrichloroethaneBenzene

PropylbenzeneBromobenzene2-Chlorotoluene

p/m-Xyleneo-Xylene

Notes:

1,2-DichloropropaneTrichloroethene (TCE)BromodichloromethaneDibromomethanecis-1,3-DichloropropeneToluene

1,1,2-TrichloroethaneCarbon tetrachloride

1,3-Dichloropropane

trans-1,3-Dichloropropene

1,2,3-Trichloropropane

Tetrachloroethene (PCE)Dibromochloromethane1,2-DibromoethaneChlorobenzene

Styrene

1,1,2,2-Tetrachloroethane

1,1,1,2-Tetrachloroethane

Bromoformtrans-1,2-Dichloroethene (tDCE)Isopropylbenzene

Ethylbenzene

Naphthalene

1,3,5-Trimethylbenzene4-Chlorotoluene

1,3-Dichlorobenzene1,4-Dichlorobenzene

1,2-Dibromo-3-chloropropane1,2,4-TrichlorobenzeneHexachlorobutadiene

tert-Butylbenzene

n-Butylbenzene1,2-Dichlorobenzene

sec-Butylbenzene4-Isopropyltoluene

1,2,4-Trimethylbenzene

5: IGV is for the sum of xylenes.**** DIV is for the sum of all trichlorobenezenes.***** DIV is for the sum of all xylenes.

* DIV is for both cis and trans 1,2-dichloroethene.

*** DIV is for the sum of all dichlorobenzenes.2: Two IGVs are given for tetrachloroethene.3: IGV is for the sum of trichlorobenzenes.4: Two IGVs are given for trichloroethene.

1: The IGV is given for dichloroethene, it is assumed that this applies to the sum of all dichlororethenes.** DIV is for the sum of dichloropropanes.


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Table 3 - Semi Volatile Organic Compound Results (mg/L), Pfizer Little Island - November 2016

203 Dup 01 207 301 302 304 305 6043-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16

Phenols2-Chlorophenol 206* 0.1 ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0012-Methylphenol 0.0005 1 ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00052-Nitrophenol 0.0005 1 ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00052,4-Dichlorophenol 0.0005 1 0.03 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00052,4-Dimethylphenol 303* ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0012,4,6-Trichlorophenol 0.2 ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0012,4,5-Trichlorophenol 0.0005 1 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00054-Chloro-3-MethylPhenol 0.0005 1 ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00054-Methylphenol 0.0005 1 ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0014-Nitrophenol 0.0005 1 ---- ---- <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01Pentachlorophenol 0.002 0.003 ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Phenol 0.0005 1 0.2 ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0012-Methylnaphthalene ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Naphthalene 0.001 0.07 ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Acenaphthylene ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Acenaphthene ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Fluorene ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Phenanthrene ---- 0.005 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Anthracene 10 0.005 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Fluoranthene 0.001 0.001 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Pyrene ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Benzo(a)anthracene ---- 0.0005 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Chrysene ---- 0.0002 ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Benzo(bk)fluoranthene 0.00005 0.00005 0.000075 A <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Benzo(a)pyrene 0.00001 0.00005 0.0000075 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Indeno(1,2,3-cd)pyrene 0.00005 0.00005 0.000075 A <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Dibenz(a,h)anthracene ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Benzo(ghi)perylene 0.00005 0.00005 0.000075 A <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Phthalatesbis(2-ethylhexyl)phthalate 0.008 0.005 *** ---- <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005Butyl benzyl phthalate 0.005 2 0.005 *** ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001di-n-Butyl phthalate 0.002 0.005 *** ---- 0.0016 0.0017 <0.0015 <0.0015 <0.0015 <0.0015 <0.0015 <0.0015di-n-octyl phthalate 0.005 2 0.005 *** ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Diethyl phthalate 0.005 2 0.005 *** ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Dimethyl phthalate 0.005 2 0.005 *** ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Other SVOCs1,2 Dichlorobenzene 0.01 Sum(0.05) * ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0011,2,4-Trichlorobenzene 0.0004 0.01 ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0011,3 Dichlorobenzene ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0011,4 Dichlorobenzene ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0012-Nitroaniline ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0012,4-Dinitrotoluene ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00052,6-Dinitrotoluene ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0013-Nitroaniline ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0014-Bromophenyl phenyl ether ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0014-Chloroaniline ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0014-Chlorophenyl phenylether ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0014-Nitroaniline ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Azobenzene ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005bis(2-chloroethoxy)methane ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Bis(2-chloroethyl) ether ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Carbazole ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Dibenzofuran ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Hexachlorobenzene 0.00003 0.0005 ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Hexachlorobutadiene 0.0001 ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Hexachlorocyclopentadine 0.0001 ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Hexachloroethane ---- ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001Isophorone ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005N-nitrosodi-n-propylamine ---- ---- ---- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005Nitrobenzene 0.01 ---- ---- <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001

Notes:Shaded Indicates Result is above Dutch Intervention Value (DIV)BOLD Indicates Result is above Interim Guideline value (IGV)Italics Indicates Result is above Guideline Threshold Value (GTV)

1 IGV is for the sum of phenols2 IGV is for the sum of phthalates* DIV is for the sum of dichlorobenzenes** DIV is for the sum of all trichlorophenols*** DIV is for the sum of all phthalatesA PAH compounds specified in GTV

Monitoring Well IDSVOC EPA Interim

Guideline Value

Sum(0.05) *

GuidelineThreshold

Value

sum(0.01) **

DutchIntervention

Value


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Table 4 - Major Ion Concentrations (mg/L), Pfizer Little Island - November 2016

203 207 301 302 304 305 6043-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16 3-Nov-16

Calcium 200 ---- 42 142 107 77 61 52 91Magnesium 50 ---- 7 88 37 10 7 6 43Potassium 5 ---- 4 16 4 5 4 2 18Sodium 150 ---- 30 349 41 41 24 17 291Sulphate 200 187.5 3 501 243 65 84 16 89Chloride 30 24 - 187.5 22 331 62 56 35 17 200Nitrate (as NO3) 25 37.5 <0.2 3 <0.2 0.2 <0.2 29 <0.2Total Alkalinity (asCaCO3)

---- ---- 140 278 142 196 136 134 524

--- Indicates no guideline value defineBOLD Indicates Result is above Interim Guideline value (IGV)Italics indicates Result is above Guideline Threshold Value (GTV)

ParameterInterim

GuidelineValue

GuidelineThreshold

Value

Monitoring Well


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Table 5 - Groundwater Quality Measurements, Pfizer Little Island - 03 November 2016

MonitoringWell

DO(mg/L) pH Field ORP

(mV)Eh

(mV)EC

(mS/cm)Temperature

( oC)Description

203 1.56 7.75 -70 130 336 14.4 Clear water, slightly orange, hydrogensulphide odour.

207 3.80 7.70 60 260 2,490 12.4 Clear water, no odour.

301 1.60 7.42 -40 160 713 14.8 Clear water, hydrogen sulphide odour.

302 1.80 7.56 -66 134 598 14.2 Slightly cloudy brown/orange water, noodour.

304 1.10 7.95 -55 145 440 12.8 Cloudy brown silty water, no odour.

305 3.46 7.33 15 215 330 14.1 Slightly cloudy brown water, no odour.

604 4.50 7.70 40 240 1,780 12.3 Slightly cloudy brown water, no odour.

Notes:

EC: Electrical Conductivity ms/cm: Microsiemens per centimetreORP: Oxidation-Reduction PotentialEh: Redox Potential

Field readings of ORP adjusted as per manufacturer's recommendations to give Eh

DO: Dissolved Oxygen mg/L: Milligrams per Litre

oC: Degrees Celsius

mV: Millivolts


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Table 6 - Groundwater Level Data, Pfizer Little Island - 03 November 2016

MonitoringWell

ScreenIntervalm bct

Top of WellCasingm AOD

SWLm bct

SWLm AOD

Total DepthMeasured

m bct

Total DepthInstalled

m bct

Thickness ofSiltm

% of ScreenSection

Silted-Up201 4.5-10.0 5.341 4.600 0.74 8.60 10.00 1.40 25%202 6.0-10.0 6.115 NM NM NM 10.00 NM NM203 4.5-10.0 6.397 5.760 0.64 8.28 9.24 0.96 17%

205A 3.4-7.1 6.649 6.025 0.62 7.16 7.15 NA NA206 7.0-13.0 6.953 6.298 0.66 12.47 13.00 0.53 9%207 10.5-13.5 6.774 6.060 0.71 10.63 13.50 2.87 96%301 6.0-10.0 7.079 6.445 0.63 10.45 10.00 NA NA302 2.0-7.0 4.006 3.365 0.64 7.57 7.00 NA NA303 3.2-6.2 4.190 3.545 0.65 6.54 6.20 NA NA304 2.9-9.6 6.535 5.890 0.65 9.48 9.60 0.12 2%305 2.6-6.9 4.395 3.760 0.64 7.08 6.90 NA NA402 5.0-6.5 6.001 5.307 0.69 6.45 6.50 0.05 3%403 1.5-3.0 5.453 2.680 2.77 2.99 3.00 0.01 1%404 1.7-4.7 5.628 Dry - 4.26 4.70 0.44 15%405 5.1-6.1 5.856 5.155 0.70 5.99 6.10 0.11 11%501 2.1-4.1 5.584 2.885 2.70 3.69 4.10 0.41 21%601 8.1-10.1 4.494 3.565 0.93 10.07 10.17 0.10 5%602 8.45-9.4 5.385 4.540 0.85 9.40 9.47 0.07 7%603 9.6-10.6 5.171 4.530 0.64 10.58 10.60 0.02 2%604 7.6-9.1 4.790 4.185 0.61 9.03 9.16 0.13 9%

Production Well - 7.080 6.400 0.68 NM 16.05 NA NA

Notes:m AOD: Metres above Ordnance DatumSWL: Static Water Levelm bct: Metres below casing topNM: Not MeasuredNA: Not Applicable-: Not KnownBold. Greater than 30% of screen section silted up


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Table 7 - Key Contaminant Concentration Trends in Monitored Wells (mg/L), Pfizer Little Island - to November 2016

203MTBE 9.200

Toluene 1.000205AMTBE 9.200

Toluene 1.000301

MTBE 9.200Toluene 1.000

302MTBE 9.200

Toluene 1.000304


402MTBE 9.200

Toluene 1.000403


501MTBE 9.200

Toluene 1.000502


503MTBE 9.200

Toluene 1.000604


404MTBE 9.200

Toluene 1.000Chloroform 0.400

405MTBE 9.200

Toluene 1.000

Notes:

Indicates well not sampled

Indicates result above DIV

-* Indicates sample notanalysed due to matrix

- Indicates result belowmethod reporting limit

Well / VOC DIV

Well / VOC DIV

Jan-06 Feb-06 Mar-06 Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Mar-07 Jun-07 Sep-07 Mar-08 Aug-08 Dec-08 Mar-09 Sep-09 Apr-10 Oct-10 May-11 Oct-11 May-12 Oct-12 May-13 Nov-13 Apr-14 Oct-14 Apr-15 Oct-15 Apr-16 Nov-16

8.67 6.57 8.81 9.29 29.0 13.7 14.9 14.8 10.7 7.72 2.95 3.36 1.78 4.02 4.24 1.54 0.259 0.420 0.504 0.064 0.256 0.062 0.087 0.017 0.031 0.015 - 0.018 0.067 0.002 0.047 0.026 0.048 0.010- - - - - - - - - - - - - - - - - - 0.002 - - - - - - - - - - - - - - -

16.6 21.9 17.1 8.62 28.8 15.1 10.8 9.66 14.3 17.5 11.4 11.7 2.94 2.36 0.809 5.75 0.345 0.026 0.002 - - - - -- - - - - - - - - - - - - - - - - - - - - - - -

0.190 0.192 0.175 0.159 0.060 0.063 0.020 0.063 0.010 0.026 0.022 0.018 0.005 0.069 0.035 0.004 0.001 - 0.020 0.002 - 0.002 0.003 0.004 0.002- - - - - - - - - - - - - - - - - - - - - - - - -

- 0.029 0.432 0.748 0.040 - 0.128 0.023 0.003 0.003 0.028 0.014 0.040 0.022 0.023 0.034 0.007 0.004 - 0.007 0.003 0.007 0.001 0.015 0.003 0.015- - - - - - - - - - - - - - - - - - - - - - - - - -

3.52 1.64 1.97 3.75 7.06 5.16 4.33 1.99 1.08 0.482 0.993 3.98 0.094 0.096 0.330 0.041 0.030 0.023 0.095 0.084 0.005 0.004 0.003 0.005 0.004 - - - 0.006 0.001 0.002 0.001 0.002 0.005- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

4.07 5.11 3.52 6.86 6.26 2.26 2.02 0.465 0.719 0.355 0.321 0.810 0.780- - - - - - - - - - - - -

0.609 1.39 0.797 4.76 2.36 2.51 2.28 2.08 1.42 1.96 3.63 1.18 1.75 0.004 0.015- 0.054 0.054 0.159 0.092 0.114 0.100 0.012 - - 0.017 - - - -

4.19 5.28 2.42 3.21 7.04 8.20 7.69 7.84 3.96 4.27 1.16 0.405 0.003 0.003- 0.314 0.104 0.175 0.187 0.298 - 0.135 0.163 0.117 0.010 - - -

2.66 2.36 3.55 2.96 4.86 2.95 1.78 2.60 3.05 0.494 1.40 1.41 3.22- 0.003 0.013 - - 0.013 - - - - 0.106 0.006 -

4.13 3.45 19.7 12.8 7.90 10.6 8.37 3.15 1.42 2.00 5.07- - 0.018 - - - - - - - -

0.139 0.162 0.062 0.064 0.031 0.036 0.027- - - - - - -

Jan-06 Feb-06 Mar-06 Apr-06 May-06 Jun-06 Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Jan-07 Feb-07 Mar-07 Apr-07 May-07 Jun-07 Jul-07 Aug-07 Sep-07 Oct-07 Mar-08 Aug-08 Nov-08 Dec-08 Mar-09 Sep-09 Apr-10 Oct-10 May-11 Oct-11 May-12 Oct-12 May-13 Nov-13 Apr-14 Oct-14 Apr-15 Oct-15 Apr-16 Nov-16

151 300 215 266 94.6 121.246 89.4 102 122 33.2 44.4 47.6 59.4 58.9 249 552 59.3 60.5 - 0.082 0.035 0.005 146 106 14 1 1 - 0.123 0.157 0.065 0.018 - 0.171 0.004 0.020 0.164 0.035 0.0024.00 1.13 0.831 1.25 2.43 1.96 2.59 2.07 1.97 1.15 0.789 0.651 0.385 0.570 0.983 0.723 1.02 0.692 - 0.002 0.005 - - - - - - - - - - - - - - - - - -

- - - - - - - - - 0.034 - 0.031 0.046 - - - 0.414 0.008 0.087 0.212 0.045 0.309 - - - 0.096 0.271 0.024 0.045 0.187

3.41 9.28 9.31 7.31 3.22 5.13 14.3 9.71 17.6 11.4 7.24 11.3 11.2 6.94 5.15 9.27 5.11 0.667 1.43 2.00 5.25 1.62 0.015 0.057 0.519 0.038 0.005 0.004 0.005 0.004- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Monitoring Round

Monitoring Round


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AECOM

Appendix A – Laboratory Certificates

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EPA Export 10-04-2017:02:56:34

Unit 3 Deeside Point

Zone 3

Deeside Industrial Park

Deeside

AECOM

Attention :

Date :

Your reference :

Our reference :

Location :

Date samples received :

Status :

Issue :

Fergus O'Regan

28th November, 2016

1

Exova Jones Environmental

CH5 2UA

Tel: +44 (0) 1244 833780

Fax: +44 (0) 1244 833781

Acorn Business Campus

Mahon Industrial Park

Black Rock

Cork

Ireland

Registered Address : Exova (UK) Ltd, Lochend Industrial Estate, Newbridge, Midlothian, EH28 8PL

Eight samples were received for analysis on 4th November, 2016 of which eight were scheduled for analysis. Please find attached our Test Report

which should be read with notes at the end of the report and should include all sections if reproduced. Interpretations and opinions are outside the

scope of any accreditation, and all results relate only to samples supplied.

All analysis is carried out on as received samples and reported on a dry weight basis unless stated otherwise. Results are not surrogate corrected.

Paul Lee-Boden BSc

Project Manager

60488151

Little Island

4th November, 2016

Final report

Compiled By:

Test Report 16/16640 Batch 1

QF-PM 3.1.1 v16Please include all sections of this report if it is reproduced

All solid results are expressed on a dry weight basis unless stated otherwise. 1 of 10

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Client Name: Report : Liquid

Reference:

Location:

Contact: Liquids/products: V=40ml vial, G=glass bottle, P=plastic bottle

JE Job No.: 16/16640 H=H2SO4, Z=ZnAc, N=NaOH, HN=HN03

J E Sample No. 1-5 11-15 16-20 21-25 26-30 31-35 36-40

Sample ID 203 207 301 302 304 305 604

Depth

COC No / misc

Containers V P G V P G V P G V P G V P G V P G V P G

Sample Date 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016

Sample Type Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water

Batch Number 1 1 1 1 1 1 1

Date of Receipt 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016

Dissolved Calcium # 41.9 142.1 107.3 77.3 60.7 51.9 91.1 <0.2 mg/l TM30/PM14

Dissolved Magnesium # 6.9 87.9 36.7 9.6 7.4 6.4 43.1 <0.1 mg/l TM30/PM14

Dissolved Potassium # 4.2 16.0 3.8 4.5 3.6 1.5 18.0 <0.1 mg/l TM30/PM14

Dissolved Sodium # 30.3 349.4AA 40.9 41.1 23.8 17.4 291.3AA <0.1 mg/l TM30/PM14

Sulphate # 2.5 500.7 243.1 65.0 83.9 15.7 89.3 <0.5 mg/l TM38/PM0

Chloride # 22.0 331.0 61.6 56.4 34.5 17.4 200.4 <0.3 mg/l TM38/PM0

Nitrate as NO3 # <0.2 2.9 <0.2 0.2 <0.2 29.1 <0.2 <0.2 mg/l TM38/PM0

Total Alkalinity as CaCO3 # 140 278 142 196 136 134 524 <1 mg/l TM75/PM0

Little Island

Fergus O'Regan

Please see attached notes for all

abbreviations and acronyms

LOD/LOR UnitsMethod

No.


AECOM

60488151



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Client Name: Report : Misc

Reference:

Location: Solids: V=60g VOC jar, J=250g glass jar, T=plastic tub

Contact:

JE Job No.: 16/16640

J E Sample No. 1-5

Sample ID 203

Depth

COC No / misc

Containers V P G

Sample Date 03/11/2016

Sample Type Ground Water

Batch Number 1

Date of Receipt 04/11/2016

Sample Temperature 6.5 <0.1 Degrees C NONE/NONE

Little Island

Fergus O'Regan



LOD/LOR UnitsMethod

No.


AECOM

60488151



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Client Name: SVOC Report : Liquid

Reference:

Location:

Contact:

JE Job No.: 16/16640

J E Sample No. 1-5 6-10 11-15 16-20 21-25 26-30 31-35 36-40

Sample ID 203 DUP01 207 301 302 304 305 604

Depth

COC No / misc

Containers V P G V P G V P G V P G V P G V P G V P G V P G

Sample Date 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016

Sample Type Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water Ground Water

Batch Number 1 1 1 1 1 1 1 1

Date of Receipt 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016

SVOC MS

Phenols

2-Chlorophenol # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

2-Methylphenol # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

2-Nitrophenol <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

2,4-Dichlorophenol # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

2,4-Dimethylphenol <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

2,4,5-Trichlorophenol # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

2,4,6-Trichlorophenol <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

4-Chloro-3-methylphenol # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

4-Methylphenol <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

4-Nitrophenol <10 <10 <10 <10 <10 <10 <10 <10 <10 ug/l TM16/PM30

Pentachlorophenol <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Phenol <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

PAHs

2-Chloronaphthalene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

2-Methylnaphthalene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Naphthalene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Acenaphthylene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Acenaphthene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Fluorene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Phenanthrene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Anthracene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Fluoranthene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Pyrene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Benzo(a)anthracene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Chrysene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Benzo(bk)fluoranthene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Benzo(a)pyrene <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Indeno(123cd)pyrene <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Dibenzo(ah)anthracene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Benzo(ghi)perylene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Phthalates

Bis(2-ethylhexyl) phthalate <5 <5 <5 <5 <5 <5 <5 <5 <5 ug/l TM16/PM30

Butylbenzyl phthalate <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Di-n-butyl phthalate # 1.6 1.7 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 ug/l TM16/PM30

Di-n-Octyl phthalate <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Diethyl phthalate # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Dimethyl phthalate <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Little Island

Fergus O'Regan



LOD/LOR UnitsMethod

No.


AECOM

60488151



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EPA Export 10-04-2017:02:56:34

Client Name: SVOC Report : Liquid

Reference:

Location:

Contact:

JE Job No.: 16/16640

J E Sample No. 1-5 6-10 11-15 16-20 21-25 26-30 31-35 36-40

Sample ID 203 DUP01 207 301 302 304 305 604

Depth

COC No / misc


Sample Date 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016


Batch Number 1 1 1 1 1 1 1 1

Date of Receipt 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016

SVOC MS

Other SVOCs

1,2-Dichlorobenzene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

1,2,4-Trichlorobenzene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30



2-Nitroaniline <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

2,4-Dinitrotoluene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

2,6-Dinitrotoluene <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

3-Nitroaniline <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

4-Bromophenylphenylether # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

4-Chloroaniline <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

4-Chlorophenylphenylether # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

4-Nitroaniline <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Azobenzene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Bis(2-chloroethoxy)methane # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Bis(2-chloroethyl)ether # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Carbazole # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Dibenzofuran # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Hexachlorobenzene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Hexachlorobutadiene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Hexachlorocyclopentadiene <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Hexachloroethane # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Isophorone # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

N-nitrosodi-n-propylamine # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM16/PM30

Nitrobenzene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM16/PM30

Surrogate Recovery 2-Fluorobiphenyl 92 94 89 88 95 92 97 101 <0 % TM16/PM30

Surrogate Recovery p-Terphenyl-d14 108 113 110 107 115 113 103 107 <0 % TM16/PM30

LOD/LOR UnitsMethod

No.


AECOM

60488151

Little Island

Fergus O'Regan





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EPA Export 10-04-2017:02:56:34

Client Name: VOC Report : Liquid

Reference:

Location:

Contact:

JE Job No.: 16/16640

J E Sample No. 1-5 6-10 11-15 16-20 21-25 26-30 31-35 36-40

Sample ID 203 DUP01 207 301 302 304 305 604

Depth

COC No / misc


Sample Date 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016 03/11/2016


Batch Number 1 1 1 1 1 1 1 1

Date of Receipt 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016 04/11/2016

VOC MS

Dichlorodifluoromethane <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Methyl Tertiary Butyl Ether # 10.4 11.3 0.5 1.7 15.0 4.5 <0.1 26.5 <0.1 ug/l TM15/PM10

Chloromethane # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Vinyl Chloride # <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 ug/l TM15/PM10

Bromomethane <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM15/PM10

Chloroethane # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Trichlorofluoromethane # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

1,1-Dichloroethene (1,1 DCE) # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Dichloromethane (DCM) # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

trans-1-2-Dichloroethene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

1,1-Dichloroethane # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

cis-1-2-Dichloroethene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

2,2-Dichloropropane <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM15/PM10

Bromochloromethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Chloroform # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,1,1-Trichloroethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,1-Dichloropropene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Carbon tetrachloride # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,2-Dichloroethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Benzene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM15/PM10

Trichloroethene (TCE) # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

1,2-Dichloropropane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Dibromomethane # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Bromodichloromethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

cis-1-3-Dichloropropene <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Toluene # <5 <5 <5 <5 <5 <5 <5 <5 <5 ug/l TM15/PM10

trans-1-3-Dichloropropene <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,1,2-Trichloroethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Tetrachloroethene (PCE) # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

1,3-Dichloropropane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Dibromochloromethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,2-Dibromoethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Chlorobenzene # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,1,1,2-Tetrachloroethane # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Ethylbenzene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM15/PM10

p/m-Xylene # <1 <1 <1 <1 <1 <1 <1 <1 <1 ug/l TM15/PM10

o-Xylene # <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 ug/l TM15/PM10

Styrene <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Bromoform # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

Isopropylbenzene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

1,1,2,2-Tetrachloroethane <4 <4 <4 <4 <4 <4 <4 <4 <4 ug/l TM15/PM10

Bromobenzene # <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,2,3-Trichloropropane # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Propylbenzene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

2-Chlorotoluene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

1,3,5-Trimethylbenzene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

4-Chlorotoluene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

tert-Butylbenzene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

1,2,4-Trimethylbenzene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

sec-Butylbenzene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

4-Isopropyltoluene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10



n-Butylbenzene # <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10


1,2-Dibromo-3-chloropropane <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,2,4-Trichlorobenzene <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Hexachlorobutadiene <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Naphthalene <2 <2 <2 <2 <2 <2 <2 <2 <2 ug/l TM15/PM10

1,2,3-Trichlorobenzene <3 <3 <3 <3 <3 <3 <3 <3 <3 ug/l TM15/PM10

Surrogate Recovery Toluene D8 100 100 99 108 99 104 99 102 <0 % TM15/PM10

Surrogate Recovery 4-Bromofluorobenzene 98 98 98 93 98 95 95 99 <0 % TM15/PM10

Little Island

Fergus O'Regan



LOD/LOR UnitsMethod

No.


AECOM

60488151



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EPA Export 10-04-2017:02:56:34

Notification of Deviating Samples

J E

Job

No.

Batch Depth J E Sample

No.Analysis Reason

Please note that only samples that are deviating are mentioned in this report. If no samples are listed it is because none were deviating.

Only analyses which are accredited are recorded as deviating if set criteria are not met.


60488151

Little Island

Fergus O'ReganContact:

Sample ID

Client Name: AECOM

Reference:

Location:

No deviating sample report results for job 16/16640

QF-PM 3.1.11 v3 Please include all sections of this report if it is reproduced 7 of 10

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EPA Export 10-04-2017:02:56:34

JE Job No.:

SOILS

DEVIATING SAMPLES

SURROGATES

DILUTIONS

BLANKS

NOTE

Where Mineral Oil or Fats, Oils and Grease is quoted, this refers to Total Aliphatics C10-C40.

Please note we are not a UK Drinking Water Inspectorate (DWI) Approved Laboratory .

If you have not already done so, please send us a purchase order if this is required by your company.

Samples must be received in a condition appropriate to the requested analyses. All samples should be submitted to the laboratory in suitable

containers with sufficient ice packs to sustain an appropriate temperature for the requested analysis. If this is not the case you will be informed and

any test results that may be compromised highlighted on your deviating samples report.

ISO17025 accreditation applies to surface water and groundwater and usually one other matrix which is analysis specific, any other liquids are

outside our scope of accreditation.

As surface waters require different sample preparation to groundwaters the laboratory must be informed of the water type when submitting samples.

Where appropriate please make sure that our detection limits are suitable for your needs, if they are not, please notify us immediately.

Data is only reported if the laboratory is confident that the data is a true reflection of the samples analysed. Data is only reported as accredited when

all the requirements of our Quality System have been met. In certain circumstances where all the requirements of the Quality System have not been

met, for instance if the associated AQC has failed, the reason is fully investigated and documented. The sample data is then evaluated alongside

the other quality control checks performed during analysis to determine its suitability. Following this evaluation, provided the sample results have not

been effected, the data is reported but accreditation is removed. It is a UKAS requirement for data not reported as accredited to be considered

indicative only, but this does not mean the data is not valid.

Where possible, and if requested, samples will be re-extracted and a revised report issued with accredited results. Please do not hesitate to contact

the laboratory if further details are required of the circumstances which have led to the removal of accreditation.

Where an MCERTS report has been requested, you will be notified within 48 hours of any samples that have been identified as being outside our

MCERTS scope. As validation has been performed on clay, sand and loam, only samples that are predominantly these matrices, or combinations

of them will be within our MCERTS scope. If samples are not one of a combination of the above matrices they will not be marked as MCERTS

accredited.

Negative Neutralization Potential (NP) values are obtained when the volume of NaOH (0.1N) titrated (pH 8.3) is greater than the volume of HCl (1N)

to reduce the pH of the sample to 2.0 - 2.5. Any negative NP values are corrected to 0.

Where a CEN 10:1 ZERO Headspace VOC test has been carried out, a 10:1 ratio of water to wet (as received) soil has been used.

All samples will be discarded one month after the date of reporting, unless we are instructed to the contrary.

% Asbestos in Asbestos Containing Materials (ACMs) is determined by reference to HSG 264 The Survey Guide - Appendix 2 : ACMs in buildings

listed in order of ease of fibre release.

All analysis is reported on a dry weight basis unless stated otherwise. Results are not surrogate corrected. Samples are dried at 35°C ±5°C unless

otherwise stated. Moisture content for CEN Leachate tests are dried at 105°C ±5°C.

Surrogate compounds are added during the preparation process to monitor recovery of analytes. However low recovery in soils is often due to peat,

clay or other organic rich matrices. For waters this can be due to oxidants, surfactants, organic rich sediments or remediation fluids. Acceptable

limits for most organic methods are 70 - 130% and for VOCs are 50 - 150%. When surrogate recoveries are outside the performance criteria but

the associated AQC passes this is assumed to be due to matrix effect. Results are not surrogate corrected.

A dilution suffix indicates a dilution has been performed and the reported result takes this into account. No further calculation is required.

NOTES TO ACCOMPANY ALL SCHEDULES AND REPORTS

Please note we are only MCERTS accredited (UK soils only) for sand, loam and clay and any other matrix is outside our scope of accreditation.

Where Mineral Oil or Fats, Oils and Grease is quoted, this refers to Total Aliphatics C10-C40.

16/16640

WATERS

Where analytes have been found in the blank, the sample will be treated in accordance with our laboratory procedure for dealing with contaminated

blanks.

It is assumed that you have taken representative samples on site and require analysis on a representative subsample. Stones will generally be

included unless we are requested to remove them.



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EPA Export 10-04-2017:02:56:34

JE Job No.:

#

SA

B

DR

M

NA

NAD

ND

NDP

SS

SV

W

+

++

*

AD

CO

LOD/LOR

ME

NFD

BS

LB

N

TB

OC

AA x5 Dilution

Dilution required.

Analysis subcontracted to a Jones Environmental approved laboratory.

Matrix Effect

Blank Sample

Client Sample

Trip Blank Sample

AQC Sample

Suspected carry over

Limit of Detection (Limit of Reporting) in line with ISO 17025 and MCERTS

Samples are dried at 35°C ±5°C

16/16640

AQC failure, accreditation has been removed from this result, if appropriate, see 'Note' on previous page.

Calibrated against a single substance

Not applicable

No Asbestos Detected.

No Determination Possible

Indicates analyte found in associated method blank.

None Detected (usually refers to VOC and/SVOC TICs).

ISO17025 (SANAS) accredited - South Africa.

MCERTS accredited.

Outside Calibration Range

No Fibres Detected

Result outside calibration range, results should be considered as indicative only and are not accredited.

Results expressed on as received basis.

Surrogate recovery outside performance criteria. This may be due to a matrix effect.

ISO17025 (UKAS) accredited - UK.

ABBREVIATIONS and ACRONYMS USED



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EPA Export 10-04-2017:02:56:34

JE Job No: 16/16640

Test Method No. Description

Prep Method

No. (if

appropriate)

Description

ISO

17025

(UKAS/S

ANAS)

MCERTS

(UK soils

only)

Analysis done

on As Received

(AR) or Dried

(AD)

Reported on

dry weight

basis

TM15Modified USEPA 8260. Quantitative Determination of Volatile Organic Compounds

(VOCs) by Headspace GC-MS.PM10

Modified US EPA method 5021. Preparation of solid and liquid samples for GC

headspace analysis.

TM15Modified USEPA 8260. Quantitative Determination of Volatile Organic Compounds

(VOCs) by Headspace GC-MS.PM10

Modified US EPA method 5021. Preparation of solid and liquid samples for GC

headspace analysis. Yes

TM16Modified USEPA 8270. Quantitative determination of Semi-Volatile Organic compounds

(SVOCs) by GC-MS. PM30 Water samples are extracted with solvent using a magnetic stirrer to create a vortex.

TM16Modified USEPA 8270. Quantitative determination of Semi-Volatile Organic compounds

(SVOCs) by GC-MS. PM30 Water samples are extracted with solvent using a magnetic stirrer to create a vortex. Yes

TM30Determination of Trace Metal elements by ICP-OES (Inductively Coupled Plasma -

Optical Emission Spectrometry). Modified US EPA Method 200.7 and 6010BPM14

Analysis of waters and leachates for metals by ICP OES. Samples are filtered for

dissolved metals and acidified if required.Yes

TM38Soluble Ion analysis using the Thermo Aquakem Photometric Automatic Analyser.

Modified US EPA methods 325.2, 375.4, 365.2, 353.1, 354.1PM0 No preparation is required. Yes

TM75Modified US EPA method 310.1. Determination of Alkalinity by Metrohm automated

titration analyser.PM0 No preparation is required. Yes

NONE No Method Code NONE No Method Code

Exova Jones Environmental Method Code Appendix

QF-PM 3.1.10 v14 Please include all sections of this report if it is reproduced 10 of 10

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AECOM

AECOM Ireland LimitedDouglas Business CentreCarrigaline RoadDouglasCork

T: +353 21 4365006aecom.com

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pfizer little island

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