our phase ii

8/11/2019 Our Phase II

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1.Introduction

1.1 GeneralThe Town of Smithtown has retained JGAS in October 2013 to conduct a

Phase II ESA concerning the roert! "nown as 12 #ebe$ #oad% which is $ocatedin Smithtown% Ontario &Figure 1'( #ebe$ #oad is comrised of a )ormer )$eet*aintenance +ard that has since been abandoned( Se,era$ areas ha,e con-rmedsoi$ or groundwater contamination as a resu$t of the acti,ities erformed whi$ethe site was an oerating )$eet *aintenance +ard(

In 2011 the Town of Smithtown re$ocated the .eet maintenance faci$it! toa new $ocation% since then the site has remained unde,e$oed( In 2012% theschoo$ board indicated interest in bui$ding a ub$ic schoo$ on the roert!( In thesring of 2012% the Town of Smithtown hired /$eanu /onsu$tants to conduct aPhase I En,ironmenta$ Site Assessment &ESA' to determine areas of otentia$concern $ocated on the #ebe$ #oad site% the resu$ts of which are shown in Tab$e1( ased on this information JGAS has determined a sam$ing $an

1.2 Site Description

The #ebe$ #oad site is $ocated in Smithtown% Ontario( The site is

aroimate$! %000m2in si4e( The site is owned and managed current$! b!the Town of the Smithtown with the intention of de,e$oing a ub$ic schoo$ onthe roert!( Figure 1i$$ustrates the site $an for the former .eet maintenance!ard that wi$$ be a$icab$e to the Phase II assessment(


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Figure 1: Site Plan for 12 Rebel Road

Note: Established property boundaries in Figure 1 are highlighted withbold lines.


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1.3 Property Ownership

The #ebe$ #oad site is aroimate$! %000m2in si4e( The Town of Smithtownowns a$$ of the roert! e$igib$e for the Phase II site assessment( *a!or Iceman*a,eric"hunter has remained in contact with the 5ua$i-ed Person &5P'% PederGarberg( The contact information for *a!or Iceman is ro,ided be$ow6

173 #ebe$ #oad 8ri,e% +79 3G:

&:1;'


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#able 1Selection of Applicable Site Condition Standard

Parameter Site Specific Findings Implications

Area of Natural Significance

Surface Soil pH Range

Subsurface Soil pH Range

Soils>1.5 m to be Disturbed

Groundwater Use

inimum !edroc" Dept#

Distance to $atercourse

%uture &and Use

Soil 'e(ture

No

Surface soil pH )*+

5,pH,11

-es

otable

> 1/m

>/0 m

Residential

oarse Grained

'able 1 standards not re2uired

'able 1 standards re2uired

'able 1 standards not re2uired

Stratified approac# not appropriate

otable groundwater standards appropriate

Not a s#allow soil propert34 'able * NA

'ables 6 not appropriate since >/0 m

Residential land use standards will be used

oarse grained soil te(ture appropriate

The #ebe$ road site is not within or ad>acent to an area of natura$signi-cance as de-ned b! O(#eg( 1:3B07 &as amended b! O(#eg( :11B0;'( A 5P

has determined that this roert! does not -t the de-nition of anen,ironmenta$$! sensiti,e site as ro,ided in Section 71&1' of the EPA( aseduon these -ndings% the 5P has determined that the Tab$e 2 &)u$$ 8eth GenericSite /ondition Standards in a Potab$e Ground Fater /ondition' are aroriatefor this site(

The factors that determine a sensiti,e area such as groundwater use% 9,a$ues% distance to water bodies% bedroc" deth% $and use% and soi$ teturewhich can aect the a$icab$e site condition standards are not re$e,ant to thissite( Thus for the urose of -$ing an #S/ for the #ebe$ #oad Site% the sitecondition standards wi$$ be6

Table 2: )u$$ 8eth Generic Site /ondition Standards in a Potab$e GroundFater /ondition &See Attachment '


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2.$ac%"round Inor&ation

2.1 Physical Settin"The Phase II ESA are bounded b! to the north% &under construction'

to the east% &future etension' to the south% and to the east( Thetoograh! of the is re$ati,e$! .at( As -$$ has been $aced throughout thearea% it has been graded so that there is on$! minor $oca$ re$ief( Ground surfacerises gradua$$! to the northwest( Surface e$e,ations range between HHmas$and HHmas$ &refer to boreho$e $ogs for range' with a gent$e s$oe to the easttowards the and to the south towards a"e Ontario(

)igure 3or surface water feature which drains into a"e

Ontario(

Pro,ide a descrition of the genera$ h!sica$ setting of the hase two roert!inc$uding%

i( water bodies and areas of natura$ signi-cance within the hase one stud!area% and

ii( the toograh! and surface water drainage features on the hase tworoert!(

2.2 Past In'esti"ations

The Phase I ESA reort &/92* 9i$$% 2010' for the stud! area re,iewed andro,ided detai$s of re,ious en,ironmenta$ in,estigations that ha,e beenconducted( 8ue to the ,o$ume of information and data co$$ected for the stud!area% summaries of these re,ious in,estigations ha,e been aendici4ed( Asummar! of the Phase I ESA -ndings is ro,ided in Aendi A( A summar! ofsite in,estigation wor" conducted rior to the 2010 Phase I ESA is ro,ided inAendi (

Pro,ide%

i( a summar! of an! re$e,ant ast in,estigations of the hase two roert!% and

ii( documentation of the stes ta"en to con-rm that information or data whichare to be used from re,ious in,estigations are of adeuate ua$it! such that itcan be re$ied uon(


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3.Scope o the In'esti"ation

3.1 O'er'iew o Site In'esti"ationAs discussed in the re,ious section% numerous en,ironmenta$ studies ha,e beenconducted at the site( It is noted that some discretion must be made when usingthese historica$ resu$ts as the o$der data wou$d not ha,e had the currentmethodo$og! and 5AB5/ rocedures as reuired for the current Standard &i(e(ho$ding times% temeratures% $aborator! rocedures% method detection $imits'(9istorica$ resu$ts ha,e been used with caution and ha,e been used to focus thecurrent Phase II ESA wor"(

The additiona$ Phase II ESA wor" com$eted is reuired to suort and udatere,ious studies as we$$ as to meet current regu$ator! reuirements( This wor"

consisted of boreho$e dri$$ing% soi$ sam$ing% monitoring we$$ insta$$ations%groundwater sam$ing% and a geoh!sica$ in,estigation(

The current Phase II ESA -e$d wor" was conducted in three rounds( /92* 9Iconducted the -rst round of Phase II acti,ities from *a! 10 through

June 22% 2010( Fithin the boundaries of the % the -e$d wor" inc$udedad,ancing HH boreho$es with HH of them con,erted into monitoring we$$s &HHo,erburden and H bedroc" we$$s'( The -rst round a$so inc$uded co$$ectinggroundwater sam$es from HH new$! insta$$ed and HH eisting monitoring we$$swithin the b$oc"s( 9istorica$ and current boreho$e and monitoring we$$$ocations are shown in )igure 7


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The third round of -e$d wor" in,estigated an! inferred buried meta$$ic ob>ectsidenti-ed during the geoh!sica$ sur,e! wor"% ro,ided de$ineation of /O/sidenti-ed in re,ious monitoring rounds% and a$so further re-ned and -$$ed in theremaining data gas( The third round of -e$d wor" consisted of a combination ofboreho$e dri$$ing &HH oreho$es'% monitoring we$$ insta$$ations &HH *onitoringwe$$s'% and test itting &HH Test its'(

Pro,ide an o,er,iew of the site in,estigation conducted with resect to thehase two roert!(

3.2 (edia In'esti"ated

Soi$ and groundwater ua$it! were in,estigated during the re,ious and currentPhase II ESA wor" &in,estigation of sediment is not a$icab$e due to the absenceof surface water bodies'(

Soi$ ua$it! at the site was determined using ,arious sam$ing techniuesinc$uding test itting% ho$$ow stem auger dri$$ing% and direct ush dri$$ing

methods( The method se$ected was determined based on sam$e deth andwhether a monitoring we$$ was reuired at the sam$ing $ocation( O,erburdensoi$s from both the uer -$$ $a!er as we$$ as the under$!ing nati,e si$t $a!erswere co$$ected and submitted for $aborator! ana$!sis( )urther detai$s regardingsoi$ sam$ing methods are ro,ided in Section :(

Groundwater sam$es from both re,ious$! and new$! insta$$ed monitoring we$$swere co$$ected and submitted for ana$!sis( Sam$ing methods inc$uded both high.ow &Faterra' and $ow .ow urging techniues based on the turbidit! of thesam$es and ana$!sis reuired( )urther detai$s regarding groundwater sam$ingmethods are ro,ided in Section :(

Pro,ide%

the rationa$e for whether to inc$ude in the -e$d in,estigation sam$ing andana$!sis of each of ground water and sediment on% in or under the hase tworoert!% and

ii( an o,er,iew of the -e$d in,estigation of each medium for which sam$ing andana$!sis were done(

3.3 Phase One Conceptual Site (odel

The Phase One /oncetua$ *ode$ &/S*' ro,ided in the Phase I ESA Grou 1reort &/92* 9I% 2010' is summari4ed in Tab$e 7(1( Areas of Potentia$

En,ironmenta$ /oncern &APE/s' are shown in )igure 7(1(

Tab$e 7(16 Phase One /S*

Phase ! "S# Ele$ent Su$$ary

Eisting ui$dings andStructures

1 ui$ding

Identif! Onsite Kone onsite( ower #i,er is $ocated


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Faterbodies aroimate$! =0m to the south

Areas of Katura$Signi-cance

Kone

Presence of 8rin"ing Fater

Fe$$s

Kone

Identif! #oads Fithin thePhase 1 Stud! Area

To the Fest6 9ighwa!

To the Korth6 #oad

To the East6

To the South6

)uture #oad A$$owances Fithin Area6 #1acent Proert! ses To the Fest6 /ommercia$

To the Korth6 Dacant and

To the East6 Dacant and

To the South6 Dacant and &/r!sta$ /ree"'

Identif! Potentia$$!/ontaminating Acti,ities

se of ASTsBSTs% materia$ stoc"i$es% formermaintenance !ard% current dr!c$eaning ser,ice%autobod! sho% sra!ing of oi$ on former gra,e$ar"ing $ot% re,ious transformer(

Identif! Areas of Potentia$En,ironmenta$ /oncern&APE/'

:2H APE/s identi-ed in the Phase I ESA as shownon )igure HH

/ontaminants of Potentia$/oncern &/OP/'

*eta$s% PA9s% DO/s% P/s% and P9/s

Presence of ndergroundti$ities

nderground uti$ities ser,ice the bui$ding at #ebe$#oad and the ad>acent commercia$ com$e to theFest

#egiona$Boca$9!drogeo$og!

2o,erburden soi$ $a!ers consisting of -$$ &coarsegrained' o,er$!ing nati,e si$t! sandsBti$$s% organicsi$t( )i$$ and nati,e soi$ $a!ers ,ar! in thic"ness(8eth to sha$e bedroc" ranges from (= to 10mbgs(

Sha$$ow &1 to 3 mbgs' groundwater .ow issoutheaster$!( 8eeer bedroc" groundwater .ow isa$so southeaster$!(

ncertainties Aecting theDa$idit! of Phase I /S*

STs on )IPs ma! ha,e been remo,ed

ac" of sca$e and inaccuracies ossib$e in historicdocuments and mas when $ocating APE/s


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Soi$ and groundwater sam$ing and ana$!sisrotoco$s re,ious$! used do not com$! withcurrent standards

Potentia$ historic fai$ure to reortBdocumentotentia$ contaminating

Abi$it! of inter,iewees to accurate$! reca$$ asten,ironmenta$ issues

Pro,ide a descrition of the hase one concetua$ site mode$ reared as art ofthe hase one en,ironmenta$ site assessment reort and of re$e,antsubseuent$! acuired information(

3.4 De'iations Fro& Sa&plin" and Analysis Plan

Prior to com$eting the Phase II ESA wor"% a For" P$an &FP' entit$ed LPre$iminar!Phase II En,ironmenta$ Site In,estigation For"$an &/92* 9I% Ju$! 2010' wasreared( The For" P$an &FP' detai$ed standard oerating rocedures &SOPs'and ro,ided the Sam$ing P$an &SP' for the site(

Throughout com$etion of the Phase II ESA wor"% an! de,iations from SOPs% thero>ect For" P$an &FP' and the ro>ect Sam$ing P$an &SP' were discussed withthe ro>ect 5ua$i-ed Person &5P' or their designate% or con-rmed with the Senior

Technica$ /onsu$tant for the ro>ect(

The main de,iation from the For"$an during the -e$d in,estigation was toincrease the number of sam$es submitted for $aborator! ana$!sis as we$$ aseanding the ana$!tica$ arameter $ist for se$ected sam$e $ocations( The

decision to increase the number of sam$es ana$!sed andBor to increase thenumber of arameters ana$!sed was based on -e$d obser,ations andBor -e$dscreening resu$ts( In some $ocations where uneected imacts &ie( staining% -$$materia$s' were obser,ed% the $ist of ana$!tica$ arameters was increasedaccording$!( The number of sam$es se$ected for ana$!sis at se$ect $ocations&were uneected imacts were obser,ed in the -e$d' was increased in order toro,ide adeuate ,ertica$ de$ineation of the imact(

Pro,ide a descrition of an! de,iations from the sam$ing and ana$!sis $an(

3. I&pedi&entsThe main imediment encountered during the com$etion of the Phase II ESA

wor" was the resence of soi$ stoc"i$es o,er a signi-cant ortion of duringthe -rst round of dri$$ing in *a! 2010( 8ri$$ing was not ossib$e at certain$ocations due to the stoc"i$es(

These stoc"i$es were subseuent$! remo,ed from the site for ositemanagement and disosa$ in the summer of 2010( Once the stoc"i$es were


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remo,ed% the reuired boreho$es and monitoring we$$s were insta$$ed during thesecond round of dri$$ing in August 2010(

Pro,ide a descrition of an! h!sica$ imediments and documentation of an!denia$ of access(


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4.In'esti"ation (ethod

4.1 GeneralDarious en,ironmenta$ -e$d methods were used to assess soi$ and groundwaterua$it! at this Site( The Phase II ESA wor" was commenced in *a! 2010 and wascom$eted in Setember 2010( Prior to the in,estigati,e -e$d wor"% a Phase IIESA For" P$an &/92* 9I% 2010' and a staged Sam$ing and Ana$!sis P$an&SAP' were de,e$oed( The Sam$ing and Ana$!sis P$an is detai$ed in Tab$e :(1and ro,ides sam$ing $ocations and freuenc!% media sam$ed% sam$e deths%

ana$!tica$ arameters% and uroseB>usti-cation for the sam$e( Sam$ing$ocations are shown in )igure :(1(The fo$$owing sections detai$s the sitein,estigation methods used(

Pro,ide a brief descrition of a$$ methods as seci-ed in the fo$$owing sections(Fhere the method diers from the associated standard oerating rocedure%ro,ide a detai$ed descrition of the method used% and a rationa$e for thechange in method(

4.2 Drillin" and )*ca'atin"

8ri$$ing wor" at the Site inc$uded the use of ho$$ow stem auger dri$$ing and directush dri$$ing techniues( Test its were a$so inc$uded in the in,estigation wor"(Prior to an! subsurface in,estigati,e wor"% uti$it! $ocates were com$eted( Each

of these comonents of the subsurface in,estigation are discussed searate$!be$ow(

+.,.1 Utility -ocates

Prior to initiating an! subsurface in,estigations in the % *u$tiDIEF ocates Inc($ocated in *ississauga% Ontario% contacted Ontario One /a$$ and arranged forc$earance of a$$ ub$ic ser,ices &inc$uding% but not necessari$! $imited to%te$ehone% cab$e te$e,ision% natura$ gas% h!dro% water% and sewer' and c$earanceof a$$ soi$ boring and test it $ocations b! using radio detection and or e$ectrica$iso$ation for uti$ities &inc$uding% but not $imited to% te$ehone% cab$e te$e,ision%natura$ gas% and water'( Each subsurface sam$ing $ocation was c$eared ofunderground uti$ities rior to conducting intrusi,e wor"(

+.,., ollow Ste& Au"er Drillin"

The ho$$ow stem auger dri$$ing wor" for the Phase II ESA commenced in *a!2010 and was com$eted b! Ko,ember 2010( 9o$$ow stem auger dri$$ing wascom$eted b! three dri$$ing subcontractors% Pro-$e 8ri$$ing of Toronto% Ontario%Geo En,ironmenta$ 8ri$$ing Inc( of *i$ton Ontario% and Atcost 8ri$$ing of /oncord%Ontario( 8ue to schedu$ing reuirements% u to :H dri$$ rigs were usedconcurrent$!( These dri$$ rigs inc$uded the fo$$owing6


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/*E :

HH

)or boreho$es that were ad,anced with ho$$ow stem augers and s$it soons% thedri$$ers uti$i4ed either a truc"Btrac" mounted dri$$ing rig caab$e of turning 10mm I8 &inside diameter' ho$$ow stem augers &20: mm outside diameter'( Soi$borings were ad,anced dee enough to intercet the water tab$e and to a$$ow a3


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be co$$ected uti$i4ing a 7


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euiment was remo,ed with a sho,e$ andBor brush and co$$ected and stored indrums or other suitab$e storage ,esse$s for subseuent management(

Pro,ide for each boreho$e dri$$ed or test it eca,ated%

i( the name of the contractor%

ii( a descrition of the euiment used%

iii( a descrition of the measures ta"en to minimi4e the otentia$ for crosserr! cans' and transferred to the 200 drums $ocated ha$f wa! down t Street

on the south side(

+.3., ater -e'el and Free Product -e'el (easure&ents

Fater $e,e$s and deth to free roduct were ta"en at a$$ reuired $ocations o,er ashort time duration &water $e,e$ sna shot' to aid in groundwater .ow directiondetermination(

A decontaminated water $e,e$ meter was used to measure the deth ofgroundwater be$ow the to of the monitoring we$$ casing or other referenceoint( The water $e,e$ meter was ca$ibrated to read within B< : mi$$imetres(#ecorded groundwater $e,e$s were con,erted to sur,e!ed $e,e$s abo,e sea $e,e$b! subtracting the measured groundwater deth from the sur,e!ed to of casinge$e,ation(

In the e,ent that etro$eum h!drocarbons% $ight non


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sam$e( Po$!c!c$ic aromatic h!drocarbon groundwater sam$es% other thanben4o&a'!rene% must not be -$tered( )ie$d -$tering of sam$es was documentedin the -e$d boo"(

Groundwater sam$es at each we$$ were co$$ected in order of $east &DO/s' tomost stab$e &meta$s'( DO/ sam$e containers were com$ete$! -$$ed with no

headsace a$$owed(

+.3.5 Sa&ple Pac%a"in"4 Stora"e4 and #ransport to -aboratory

Once -$$ed sam$e containers were $aced in coo$ers containing iceob number

sam$e I8

arameters for chemica$ ana$!sis

date and ti$e of 'olle'tion

Sam$es were transorted to AS aboratories at the end of each wor"ing da!( Achain of custod! form was com$eted and accomanied a$$ sam$e shiments tothe $aborator!(

Pro,ide a descrition of the methods used to conduct ground water sam$es(

4.( Sedi&ent0 Sa&plin"

Sediment sam$es were not reuired for the Phase II ESA #A Grou $oc"s(

4.) Analytical #estin"

AS aboratories of Fater$oo% Ontario erformed the soi$ and groundwaterana$!sis for the recent Phase II ESA wor" conducted b! /92* 9I in 2010(Kumerous $aboratories were used for the ESA wor" com$eted rior to 2010(

Pro,ide the names of a$$ $aboratories used for ana$!sis of soi$% sediment orground water sam$es(

4.1* !esidue (ana"e&ent ProceduresSoi$ cuttings co$$ected from the dri$$ing wor" are contained onsite in 200 $itredrums( /ontained soi$s wi$$ be disosed with contaminated soi$s that areremo,ed from the site in rearation for de,e$oment of the (

Groundwater co$$ected during we$$ de,e$oment and urging% as we$$ aseuiment c$eaning so$utions were a$so $aced in 200 $itre containers andcurrent$! remain onsite( This containeri4ed water wi$$ be managed in the same


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manner as contaminated groundwater that is co$$ected during the remediation ofsoi$s within the footrint(

Pro,ide detai$ed documentation of rocedures used for the management ofresidues from the -e$d in,estigation inc$uding%

i( soi$ cuttings from dri$$ing and eca,ations%

ii( water from we$$ de,e$oment and urging% and

iii( .uids from euiment c$eaning(

4.11 )le'ation Sur'eyin"

)o$$owing the com$etion of a$$ monitoring we$$s% to of casing e$e,ations weremeasured using an automatic $e,e$( The benchmar" used during the e$e,ationsur,e! was HHHHHHH and has an e$e,ation of HHHHHHHmas$(

Pro,ide an accurate seci-cation of the $ocation of an! benchmar" used in

sur,e!ing of e$e,ations(

4.12 2uality Assurance and 2uality Control 2A62C7(easures

The fo$$owing sam$e ac"aging% storage and transortation were fo$$owedduring the in,estigation(

1( Chec Sam!les6 #e,iew the ro>ect sam$ing $an to ensure sam$es for a$$the reuired chemica$ arameters ha,e been co$$ected and submitted( Ensurea$$ sam$es $isted on the /hain of /ustod! &/O/' are inc$uded in the sam$e

shiment and that the correct ana$!sis has been reuested( /$ear$! mar"L9O8 net to sam$es that are not reuested to be ana$!4ed( Sam$es$aced on ho$d ma! be ana$!4ed at a $ater date ending the initia$ ana$!tica$resu$ts to aid in ,ertica$ de$ineation(

2( Pacin" of Coolers6 P$ace one $a!er of bubb$e wra on the bottom of a dr!c$ean coo$er &decon with water and $iuinoBa$cono if needed'( se sea$ab$eZi$oc bags and bubb$e wra to wraBcontain the sam$e containers tore,ent brea"age for the g$ass >ar shiments(

3( P$ace a$$ sam$es for ana$!sis of ,o$ati$e organics &DO/s% TEC% P9/ )1' insearate coo$ers( Inc$ude one $aborator! reared tri b$an" in e,er! coo$ercontaining ,o$ati$e organics sam$es( Preare a searate /O/ for the coo$er

containing ,o$ati$e organics ensuring the tri b$an" is $isted on the /O/(

7( A fu$$ $a!er of fresh$! doub$e


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:( P$ace a co! of the origina$ /O/ in a Zi$oc bag taed to the underside of the$id of the coo$er( It is recommended that a searate /O/ be rearedseci-ca$$! for the contents of each coo$er(

=( Sea$ the coo$er with a custod! sea$( Sea$ the custod! sea$ to the coo$er withstraing or ac"ing tae( AX a mai$ing $abe$ to the to of the coo$er if

being shied b! courier(

( Vee a co! of the /O/ for the ro>ect records(

( Kotif! the $aborator! in ad,ance if acce$erated turnaround time is beingreuested(

;( If a coo$er is being shied for Saturda! de$i,er! N ma"e sure the $ab "nows itis coming in ad,ance and has someone at the $ab to recei,e it% and theroer shiing arrangements ha,e been ro,ided with the courier orshier(

5AB5/ sam$es were co$$ected as reuired in O(#eg( 1:3B07( 8u$icate soi$ andgroundwater sam$es were co$$ected at a freuenc! of one du$icate for each 10sam$es submitted( 8u$icate soi$ sam$es were co$$ected b! ,ertica$$! s$ittingthe core sam$es into two eua$ ,o$umes rior to $acing in the aroriatesam$e container( 8u$icate groundwater sam$es were co$$ected b! -$$ing thedu$icate sam$e container immediate$! fo$$owing sam$e co$$ection( A$$du$icate sam$es were submitted Lb$ind to the $aborator! and -e$d stadocumented in their -e$d boo" each du$icate sam$e $ocation(

Tri b$an"s were co$$ected for coo$ers containing sam$es being submitted for,o$ati$e ana$!sis at a freuenc! of one sam$e er each coo$er shied to the$abHHHH( 8edicated sam$ing euiment was used for a$$ groundwater sam$esand euiment rinse b$an"s were not reuired( )ie$d b$an"s &$aborator! rearedcontainers of disti$$ed water' were used during the groundwater sam$ing at a

freuenc! of one -e$d b$an" for e,er! 10HH sam$es( )ie$d b$an" containers wereoened as c$ose to the monitoring we$$ being sam$ed as ractica$ during theco$$ection of the groundwater sam$e( Once the sam$e had been $aced into thesam$e containers% the -e$d b$an" container was caed% $abe$ed% and $aced inthe sam$e coo$er(

Pro,ide%

i( a descrition of sam$e containers% reser,ation% $abe$$ing% hand$ing andcustod! for sam$es submitted for $aborator! ana$!sis% inc$uding an! de,iationsfrom the sam$ing and ana$!sis $an%

ii( a descrition of euiment c$eaning rocedures fo$$owed during a$$ sam$ing%

a descrition of how the -e$d ua$it! contro$ measures referred to in subsection 3&3' were carried out% and

i,( a descrition of% and rationa$e for% an! de,iations from the rocedures set outin the ua$it! assurance and ua$it! contro$ rogram set out in the sam$ing andana$!sis $an(


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.!e'iew and )'aluation

.1 !e"ional Geolo"y

$edroc%

edroc" within the F8 consists of sha$e of the Georgian a! )ormation( TheGeorgian )ormation was formed during the er Ordo,ician age ofaroimate$! 770 to 7=0 mi$$ion !ears ago( It is estimated to be at an a,eragethic"ness of 100 m and is under$ain b! the gre! to b$ac" sha$es of the/o$$ingwood )ormation( The Georgian a! )ormation is de-ned as a b$ue


25/44

The uer -$$ $a!er forms the sha$$ow uncon-ned auifer at the site(Groundwater in this $a!er is erched abo,e the under$!ing nati,e si$tBc$a! ti$$$a!er described be$ow( Groundwater $e,e$s% .ow direction% and ,e$ocit! in the -$$$a!er is discussed in Section =(3(

Nati-e Silt"lay ,ayer

nder$!ing the uer -$$ $a!er is a nati,e si$tBc$a! ti$$ $a!er( This nati,e $a!er isthe resu$t of sediments deosited b! g$acia$% .u,ia$% and $acustrine rocesseso,er the $ast 13:%000 !ears( ased on the -,e dee boreho$es & ' ad,ancedb! *acarentech & '% the thic"ness of the nati,e si$tBc$a! ti$$ $a!er ranges fromranges between : m to ( m( The to of the nati,e si$tBc$a! $a!er is t!ica$$!encountered at an e$e,ation of between : and = mas$( The nati,e si$tBc$a!$a!er etends down to the sha$e bedroc" which is encountered at an e$e,ation ofbetween =;(0 and =;( mas$(

The nati,e si$tBc$a! $a!er acts as a con-ning $a!er which searates the uer -$$and under$!ing sha$e bedroc" $a!ers( Groundwater .ow in this $a!er is discussedin Section =(3(

Shale /edro'0

Across most of the F8% the bedroc" is re$ati,e$! .at% at deths of to 10 mbgs(At the eastern end of the F8% near the #i,er% bedroc" occurs at deths to30 mbgs% corresonding to an o$d bedroc" drainage channe$ &historica$ $ocationof the #i,er'( Seci-c to the % a weathered sha$e bedroc" formationwas encountered at deths ranging between (0 mbgs and ;(27 mbgs & 'during a dri$$ing rogram com$eted b! *acarentech Inc( in Setember 1;(

The corresonding e$e,ations of the sha$e bedroc" surface ranged between =;(0and =;( mas$( The detai$s re$ated to the bedroc" were $imited% but thedescrition noted that the bedroc" was Lweathered% gre! sha$e( It aears thatmonitoring we$$s were insta$$ed within the o,erburden% c$ose to the bedroc"(

The uer 3 to : m of the bedroc" is weathered and has been obser,ed to befractured( /$a! is resent in some seams in the uer 1orit! of groundwater .ow in the sha$e bedroc" occurs in the uer 3 to :metre thic" fractured ortion of the formation( Groundwater .ow in the sha$ebedroc" is discussed in Section =(3

Soil #e*ture

nder O( #eg( 1:3B07% Lcoarse tetured soi$ means soi$ that contains more than:0 er cent b! mass of artic$es that are : micrometres or $arger in meandiameter( If at $east 1B3 of the soi$ at the roert! consists of coarse teturedsoi$% the coarse tetured soi$ standards a$! to the Site otherwise themediumB-ne soi$ standards ma! a$!( ased on resu$ts of grain


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ii( e$e,ations% re$ati,e to a geodetic benchmar" or other ermanent andreco,erab$e benchmar"% of the to and bottom of each geo$ogic unit%

iii( geo$ogica$ and other materia$ in each geo$ogica$ unit%

i,( the roerties of each auifer and auitard% and

,( the rationa$e for the choice of auifers and auitards in,estigated as it re$atesto identi-cation of the $ocation% resence% re$ease% concentration% migration orretention of a contaminant(

.3 Site ydro"eolo"y

ased on the site geo$og! information resented in the re,ious section% threemain h!drogeo$ogic units are de-ned as fo$$ows6

\ er )i$$ a!er

\ Kati,e Si$tB/$a! a!er

\ Feathered Sha$e edroc"(

The site h!drogeo$og! is discussed be$ow in terms of these three h!droge$ogicunits(

+pper Fill ,ayer

The uer -$$ $a!er forms the sha$$ow uncon-ned auifer at the site(Groundwater in this $a!er is erched abo,e the under$!ing nati,e si$tBc$a! ti$$$a!er described be$ow( To assess current groundwater .ow directions andgradients in this $a!er% /92* 9I conducted a round of groundwater $e,e$measurements on recent$! insta$$ed monitoring we$$s on October 13% 2010( Tab$e=


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/edro'0 uifer

Groundwater .ow in the bedroc" was interreted genera$$! to the south to a"eOntario and $oca$$! to the east to the #i,er &8/S% 200= Intera% 200:'( Theh!drau$ic conducti,it! was reorted on the order of 7(:10


28/44

anticiated that imacted groundwater wou$d tend to .ow hori4onta$$! in the -$$%abo,e the ti$$ auitard(

Pro,ide%

i( a descrition of the hori4onta$ h!drau$ic gradient for each auifer in,estigated%inc$uding minimum% maimum and a,erage hori4onta$ h!drau$ic gradients% and

ii( a descrition of ,ertica$ h!drau$ic gradients in auifers where a contaminant isresent at a concentration greater than the a$icab$e site condition standard forthe contaminant% inc$uding minimum% maimum and a,erage ,ertica$ h!drau$icgradients(

. Fine8(ediu& Soil #e*ture

nder O( #eg( 1:3B07 as amended b! O(#eg( :11B0;% Lcoarse tetured soi$means soi$ that contains more than :0 ercent b! mass of artic$es that are :

micrometres or $arger in mean diameter( According to the regu$ation% if one


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used to identif! worst case sam$es that were submitted for $aborator! ana$!sis(PI8 measurements were recorded on the boreho$e $ogs &refer to Aendi HH' foreach of sam$es co$$ected( )or the stud! area% PI8 measurements ranged from 0m to a maimum of HH m at $ocation HH at a deth of HH mbgs(

Pro,ide a discussion of soi$ -e$d screening resu$ts(

.& Soil 2uality

This section discusses the soi$ ua$it! in the ,arious stratigrahic $a!ers andcomares the ana$!tica$ resu$ts to the a$icab$e site condition standards( Thesoi$ ua$it! is assessed using both historica$ and current data( Section 3(2(1discusses the use and re$iabi$it! of historica$ data in assessing the soi$ ua$it!(

ased on the co$$ected and re,iewed information to date% there are identi-ed soi$imacts anticiated to be a resu$t of the historica$ industr! resent and the -$$materia$ on Site( The 200; *OE Tab$e 1 Standards were deemed to be thea$icab$e Site /ondition Standards &S/S' for the roert! as 9 resu$ts from HH

surface soi$ sam$es &^1(: mbgs' were abo,e a 9 of ;% therefore considering theroert! en,ironmenta$$! sensiti,e(

)igure =


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i,( contaminants re$ated to chemica$ and bio$ogica$ transformations that ha,e orma! ha,e occurred%

,( whether the resu$ts indicate soi$ ser,es as a source of contaminant masscontributing to ground water or sediment% and

,i( whether the resu$ts indicate the resence of $ight or dense non


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,i( whether the resu$ts indicate soi$ ser,es as a source of contaminant masscontributing to ground water or sediment% and

,ii( whether the resu$ts indicate the resence of $ight or dense non


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shied in ice -$$ed coo$ers to maintain temeratures at $ess than 10 degrees/e$sius a$ong with a chain of custod! record to ASRs $aborator! in Fater$oo%Ontario( AS is accredited b! the /anadian Association for aborator!Accreditation Inc( &/AA'( AS erformed the chemica$ ana$!sis in com$iancewith the *inistr! of the En,ironment% aborator! Ser,ices ranch% Protocol for

Anal#tical $ethods Used in the Assessment of Pro!erties under Past XV.1 of the

Environmental Protection Act, as amended(

Soi$ and groundwater certi-cates of ana$!sis were recei,ed from ASe$ectronica$$! to reduce the ossibi$it! of transcrition errors and were comi$edinto a database( The automation of data transfers from $aborator! instruments to$aborator! information management s!stems &I*S' a$so reduced the ossibi$it!of transcrition errors( A$$ resu$ts reorted b! AS were interna$$! 5AB5/Rd b! aro>ect chemist before being u$oaded to the database( Ana$!tica$ resu$ts werere,iewed and ,a$idated b! the ro>ect chemist( The data re,iew and ,a$idationin,o$,ed6

Deri-cation that sam$es were ana$!4ed for the methods reuested

Deri-cations that the aroriate methods as out$ined in the Protocol forAnal#tical $ethods Used in the Assessment of Pro!erties under Past XV.1 ofthe Environmental Protection Act &as amended'% were erformed

#e,iew of the data for out$iers and anoma$ies and

#e,iew of the $aborator! case narrati,e for e,ents in the $aborator! that ma!ha,e aected the accurac! or recision of the data(

The data re,iew and ,a$idation erformed b! the ro>ect chemist is documentedin the 8ata 5ua$it! E,a$uation reort ro,ided in Attachment HHH( It shou$d benoted that the data contained in the 85E inc$udes data from outside of the

Grou 1 $oc" in,estigation area( The 85E assessed the ua$it! of the ana$!tica$resu$ts for a$$ sam$es submitted in batches with the Grou 1 $oc" in,estigationsam$es(

The goa$ of the 85E was to demonstrate that a suXcient number ofreresentati,e sam$es were co$$ected and the resu$ting ana$!tica$ data can beused to suort the decision ma"ing rocess( The fo$$owing summar! high$ightsthe -ndings for the Grou 1 $oc" in,estigation 85E6

Precision of the data was ,eri-ed through the re,iew of the $aborator! dataua$it! indicators that inc$ude matri si"eBmatri si"e du$icates &*SB*S8'%-e$d du$icates and $aborator! du$icate re$ati,e ercent dierences(Precision was genera$$! accetab$e with the ecetion -e$d du$icate

recision which suggests that the sam$e matri is heterogeneous(

Accurac! of the data was ,eri-ed through the re,iew of the ca$ibration%$aborator! contro$ sam$es &/S'% *SB*S8% and surrogate reco,eries% as we$$as the e,a$uation of methodB-e$d b$an" data( Accurac! was genera$$!accetab$e with a few DO/ ana$!tes and meta$s being ua$i-ed as estimatednon


33/44

#eresentati,eness of the data was ,eri-ed through the sam$esR co$$ection%storage% and reser,ation rocedures and the ,eri-cation of ho$dingect use( A$$ data used for the uroses of this Phase II ESA are considered

,a$id( The com$eteness goa$ of ;0 ercent was met for a$$ methodBana$!tecombinations(

Pro,ide%

i( a descrition of the t!es of ua$it! contro$ sam$es co$$ected and resu$ts ofan! other ua$it! assurance and ua$it! contro$ measures ta"en during the -e$din,estigation% inc$uding the t!es of ua$it! contro$ sam$e% the media sam$ed%and the imortance of the resu$ts with resect to ensuring the data are usefu$%aroriate and accurate in the determination of whether the hase tworoert!% or an! #S/ roert! within it% meets the a$icab$e site condition

standards and an! standards seci-ed in a ris" assessment%

ii( a descrition of each instance where a sam$e was not hand$ed in accordancewith the Ana$!tica$ Protoco$ with resect to%

A( ho$ding time%

( reser,ation method

/( storage reuirement or

8( container t!e%

iii( a statement% with resect to subsection 7 &3' of the regu$ation that%

A( a$$ certi-cates of ana$!sis or ana$!tica$ reorts recei,ed ursuant to c$ause 7&2' &b' of the regu$ation com$! with subsection 7& 3'%

( a certi-cate of ana$!sis or ana$!tica$ reort has been recei,ed for each sam$esubmitted for ana$!sis% and

/( a$$ certi-cates of ana$!sis or ana$!tica$ reorts recei,ed ha,e been inc$uded infu$$ in an aendi to the hase two en,ironmenta$ site assessment reort%


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i,( a descrition of each instance where a $aborator! ua$i-ed an! resu$ts ormade remar"s in a certi-cate of ana$!sis or ana$!tica$ reort about a sam$e%inc$uding% a discussion of the ,a$idit! of an! resu$ts ua$i-ed% and

,( a discussion of the o,era$$ ua$it! of the -e$d data from the in,estigation withresect to the data ua$it! ob>ecti,es% to demonstrate that%

A( decision


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( the contaminants associated with each of the areas referred to insubaragrah A%

/( each medium in which a contaminant associated with an area referred to insubaragrah is resent%

8( a descrition and assessment of Fhat is "nown about each of the areasreferred to in subaragrah A%

E( the distribution% in each of the areas referred to in subaragrah A% of eachcontaminant resent in the area at a concentration greater than the a$icab$esite condition standard% for each medium in which the contaminant is resent%together with -gures showing the distribution%

)( an!thing "nown about the reason for the discharge of the contaminantsresent on% in or under the hase two roert! at a concentration greater thanthe a$icab$e site condition standard into the natura$ en,ironment%

G( an!thing "nown about migration of the contaminants resent on% in or underthe hase two roert! at a concentration greater than the a$icab$e sitecondition standard awa! from an! area of otentia$ en,ironmenta$ concern%inc$uding the identi-cation of an! referentia$ athwa!s%

9( c$imatic or meteoro$ogica$ conditions that ma! ha,e in.uenced distributionand migration of the contaminants% such as temora$ .uctuations in groundwater $e,e$s% and

I( if a$icab$e% information concerning soi$ ,aour intrusion of the contaminantsinto bui$dings inc$uding%

1( re$e,ant construction features of a bui$ding% such as a basement or craw$sace%

2( bui$ding heating% ,enti$ating and air conditioning design and oeration% and

3( subsurface uti$ities%

i,( where contaminants on% in or under the hase two roert! are resent atconcentrations greater than the a$icab$e site condition standard% one or morecross


36/44

A( the re$ease mechanisms%

( contaminant transort athwa!%

/( the human and eco$ogica$ recetors $ocated on% in or under the hase tworoert!%

8( recetor eosure oints% and

E( routes of eosure(


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%.3. Conclusions

(

Pro,ide a summar! of the information about the fo$$owing6

i( the $ocation and concentration of contaminants in the $and or water on% in orunder the hase two roert!%

ii( en,ironmenta$ conditions in the $and or water on% in or under the hase tworoert! where it is necessar! to underta"e a ris" assessment with resect toone or more contaminants of concern% and

iii( whether a$icab$e site condition standards and standards seci-ed in a ris"

assessment for contaminants on% in or under the hase two roert! were metas of the certi-cation date(

%.1 Si"natures

Pro,ide%

i( origina$ signatures of the ua$i-ed erson who conducted or suer,ised thehase two en,ironmenta$ site assessment% and

ii( a statement b! the ua$i-ed erson con-rming the carr!ing out of the hasetwo en,ironmenta$ site assessment and the -ndings and conc$usions of thereort(


38/44

&.!eerences


39/44

(.Fi"ures and #ables

Tab$es

*onitoring Fe$$ Insta$$ation

&ocation 7le8ation

9$1S /05./:;

9$1D /05.//;

9$:a /0;.1

9$:b /0;.:01

9$/ /05.


40/44


41/44

i( area of natura$ signi-cance that inc$udes the hase two roert!% that isad>acent to the hase two roert! or that is $ocated% who$$! or art$!% on thehase two roert! or within 30 metres of the hase two roert! or art of thehase two roert!% andii( water bod! $ocated ad>acent to the hase two roert! or% who$$! or art$!% onthe hase two roert! or within 30 metres of the hase two roert! or art of

the hase two roert!(

Proert! efore Actions Ta"en to #educe the /oncentration of /ontaminantsPro,ide a -gure showing% in a $an ,iew% a$$ features re$e,ant to the hase twoen,ironmenta$ site assessment rior to an! actions being ta"en to reduce theconcentration of contaminants inc$uding%i( areas where a contaminant is resent at a concentrations greater than thea$icab$e site condition standards for the contaminant% andii( the $ocations of bui$dings% storage tan"s% drainage features and -$$ areas on orunder the hase two roert!(

Interreted /ontours of Ground Fater E$e,ations


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/ontaminants in Soi$ efore Actions Ta"en to #educe the /oncentration of/ontaminantsFhere one or more contaminants in soi$ at or under the hase two roert! areresent at a concentration greater than the a$icab$e site condition standard forthe contaminant rior to an! actions ta"en to reduce concentration ofcontaminants% ro,ide one or more -gures in $an ,iew of the hase tworoert! that show the concentration of contaminants as ana$!4ed in an


43/44

accredited $aborator!% in a$$ boreho$es% test ho$es% test its and an! other soi$sam$ing $ocations(

/ontaminants in Ground Fater efore Actions Ta"en to #educe the/oncentration of /ontaminantsFhere one or more contaminants in ground water at or under the hase two

roert! are greater than the a$icab$e site condition standard rior to an!actions ta"en to reduce concentration of contaminants% ro,ide one or more-gures in $an ,iew of the hase two roert! that show the concentration ofcontaminants% as ana$!4ed in an accredited $aborator!% in a$$ monitoring we$$sand test ho$es(

/ontaminants in Sediment efore Actions Ta"en to #educe the /oncentration of/ontaminantsFhere one or more contaminants in sediment at or under the hase tworoert! are greater than the a$icab$e site condition standard rior to an!actions ta"en to reduce concentration of contaminants% ro,ide one or more-gures in $an ,iew of the hase two roert! that show the concentration of

contaminants% as ana$!4ed in an accredited $aborator!% in a$$ sediment sam$e$ocations(

8e$ineationPro,ide -gures showing the hase two roert! in a $an ,iew and i$$ustratingthe de$ineation of the $atera$ and ,ertica$ etent of contaminants of concern insoi$% ground water or sediment for each area contaminants of concern inc$uding%i( sam$ing $ocations%ii( sam$e identi-cation number%iii( sam$ing oint%i,( sam$ing deths%,( sam$ing deth inter,a$s%,i( concentrations of contaminants as ana$!4ed in an accredited $aborator!% and,ii( the a$icab$e site condition standard or standard seci-ed in a ris"assessment for each contaminant ana$!4ed(

/ontaminants of /oncern in Areas of Potentia$ En,ironmenta$ /oncernPro,ide cross


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).Appendices

eneral

Sam$ing and Ana$!sis P$an

Pro,ide the sam$ing and ana$!sis $an for the site in,estigation(

)ina$i4ed )ie$d ogsPro,ide a$$ -na$i4ed -e$d $ogs(

/erti-cates of Ana$!sis or Ana$!tica$ #eorts from aboratoriesPro,ide $aborator! certi-cates of ana$!sis or ana$!tica$ reorts for a$$ sam$esana$!4ed(

#esidue *anagementPro,ide coies of a$$ ermits% aro,a$s and the $i"e obtained from municia$%ro,incia$ or federa$ go,ernments or agencies for hand$ing% treating% dischargingand disosing of soi$% sediment and ground water

Sur,e! of Phase Two Proert!Pro,ide a sur,e! of the hase two roert! which has been reared% signed andsea$ed b! a sur,e!or or% where the hase two roert! consists of $and that isadministered b! the *inistr! of Katura$ #esources under the Pub$ic ands Act% adescrition of the hase two roert! aro,ed b! the Sur,e!or Genera$(

See Reg for other appli'able appendi'es

our phase ii

Documents