content copy of original

Content Copy Of Original

Ministry of the Environment Ministère de l’Environnement

AMENDED ENVIRONMENTAL COMPLIANCE APPROVAL NUMBER 2192-8QWQCW Issue Date: March 11, 2014

Enbridge Gas Distribution Inc. 500 Consumers Road Toronto, Ontario M2J 1P8

Site Location: All Sites across the Province of Ontario

You have applied under section 20.2 of Part II.1 of the Environmental Protection Act, R.S.O. 1990, c.E. 19 (Environmental Protection Act) for approval of:

Description Section A natural gas utility that employs a network of interconnecting natural gas conveyance and storagesystem to provide energy delivery and related services to distribution service areas in Ontario,consisting of the following processes and support units:- natural gas fired reciprocating internal combustion engine (RICE) compressors;

- existing turbo expander and fuel cell systems having an aggregate electricity generation capacity of2.2 MW;

- existing fume incinerators;

- combustion equipment including boilers, dehydrator reboilers, humidifiers and unit heaters,emergency generator - all natural gas fired ;

- emergency flares; and

- maintenance welding operations;

including the Equipment and any other ancillary and support processes and activities, operating at aFacility Production Limit of up to a total combined annual throughput of 16,000,000,000 cubic metresof natural gas, discharging to the air as described in the Original ESDM Report and AssessmentProtocol.

For the purpose of this environmental compliance approval, the following definitions apply: 1. " Acceptable Maximum Ground Level Concentration" means a concentration accepted by theMinistry, as described in the Guide to Applying for Approval (Air & Noise), for a Compound of Concernlisted in the Original ESDM Report that: (a) has no Ministry Point of Impingement Limit and no Jurisdictional Screening Level, or (b) has a concentration at a Point of Impingement that exceeds the Jurisdictional Screening Level.2. “Acoustic Assessment Report” means an Acoustic Assessment Report prepared in accordance with

Publication NPC-233 and Appendix A of the Basic Comprehensive User Guide,submitted in support ofthe application, that documents all sources of noise emissions and Noise Control Measures present ateach Facility and includes all up-dated Acoustic Assessment Reports as required by theDocumentation Requirements conditions of this Approval to demonstrate continued compliance withthe Performance Limits following the implementation of any Modification. The Acoustic AssessmentReports are listed in Schedule "B".

3. "Acoustic Assessment Summary Table" means a table prepared in accordance with the BasicComprehensive User Guide summarising the results of the Acoustic Assessment Report, up-dated asrequired by the Documentation Requirements conditions of this Approval.

4. “Acoustic Audit” means an investigative procedure consisting of measurements and/or acousticmodelling of all sources of noise emissions due to the operation of the Facility, assessed to determinecompliance with the applicable limits for the Facility regarding noise emissions, completed inaccordance with the procedures set in Publication NPC-103 and reported in accordance withPublication NPC-233.

5. “Acoustic Audit Report” means a report presenting the results of an Acoustic Audit, prepared inaccordance with Publication NPC-233.

6. “Acoustical Consultant” means a person currently active in the field of environmental acoustics andnoise/vibration control, who is familiar with Ministry noise guidelines and procedures and has acombination of formal university education, training and experience necessary to assess noiseemissions from a Facility.

7. “AERMOD” means the dispersion model developed by the American Meteorological Society/U.S.Environmental Protection Agency Regulatory Model Improvement Committee (AERMIC) including thePlume Rise Model Enhancement (PRIME) algorithm, used to calculate concentrations of acontaminant at the Point of Impingement and at the most impacted Sensitive Receptor.

8. "Air Standards Manager" means the Manager, Human Toxicology and Air Standards Section,Standards Development Branch, or any other person who represents and carries out the duties of theManager, Human Toxicology and Air Standards Section, Standards Development Branch, as thoseduties relate to the conditions of this Approval.

9. "Approval" means this entire Environmental Compliance Approval and any Schedules to it.

10. “Assessment Protocol” means a document describing methodologies for assessing the compliancethe emissions of a Compound of Concern from sources generally present at a certain type of Site withthe Performance Limits; and which may include screening criteria precluding the requirement toprepare an ESDM report or Acoustic Assessment Report for certain sites which meet those criteria,and which is included in Schedule “A”.

11. "Basic Comprehensive User Guide" means the Ministry document titled "Basic ComprehensiveCertificates of Approval (Air) User Guide” dated March 2011, as amended.

12. “Building” means a building associated with a service centre, or that incorporates natural gas firedcomfort heating, domestic hot water equipment, maintenance welding operations, or paint spraybooths, but does not include buildings associated with a Compressor Station or Distribution Station.

13. "Company" means Enbridge Gas Distribution Inc. that is responsible for the construction oroperation of the Facility and includes any successors and assigns in accordance with section 19 of theEPA.

14. "Compound of Concern" means a contaminant that, based on generally available information, maybe discharged to the air in a quantity from the Facility that:

(a) is non-negligible in accordance with section 26(1)4 of O. Reg. 419/05 in comparison to the relevantMinistry Point of Impingement Limit; or (b) if a Ministry Point of Impingement Limit is not available for the compound, may cause an adverseeffect at a Point of Impingement based on generally available toxicological information.

15. “Compressor Station” means any Site that contains equipment for compressing natural gas.

16. "Description Section" means the section on page one of this Approval describing theCompany's operations and the Equipment located at the Facility and specifying the Facility ProductionLimit for the Facility.

17. "Director" means a person appointed by the Minister pursuant to section 5 of the EPA.

18. “Distribution Station” means Site that functions as a metering and/or regulating station and thatincorporates natural gas-fired heating equipment.

19. "District Manager" means the District Manager of the appropriate local district office ofthe Ministry, where the Site is geographically located.

20. “Emission Abatement Plan” means an abatement program developed by the Company to achievecompliance with the Performance Limits.

21. "Emission Summary Table" means the most updated table contained in the ESDM Report, which isprepared in accordance with section 26 of O. Reg. 419/05 and the Procedure Document listing theappropriate Point of Impingement concentration for each Compound of Concern from a Site andproviding comparison to the corresponding Ministry Point of Impingement Limit orMaximum Concentration Level Assessment, or Jurisdictional Screening Level.

22. "Environmental Assessment Act" means the Environmental Assessment Act, R.S.O. 1990, c.E.18,as amended.

23. "EPA" means the Environmental Protection Act, R.S.O. 1990, c.E.19, as amended.

24. "Equipment" means equipment or processes described in the ESDM Report, this Approval and inthe Schedules referred to herein and any other equipment or processes.

25. "Equipment with Specific Operational Limits" means the fume incinerator serving the glycoldehydrator at each Site described in Schedule “C” of this Approval, any Equipment related to thethermal oxidation of waste or waste derived fuels, fume incinerators or any other Equipment that isspecifically referenced in any published Ministry document that outlines specific operational guidancethat must be considered by the Director in issuing an Approval.

26. "ESDM Report" means the most current Emission Summary and Dispersion Modelling Report thatdescribes the Facility. The ESDM Report is based on the Original ESDM Report, is prepared after theissuance of this Approval in accordance with section 26 of O. Reg. 419/05 and the ProcedureDocument by the Company or its consultant.

27. "Facility" means the entire operation, including all Sites.

28. "Facility Production Limit" means the production limit placed by the Director on the main product(s)or raw materials used by the Facility.

29. “Independent Acoustical Consultant” means an Acoustical Consultant who is not representing theCompany and was not involved in preparing the Acoustic Assessment Report or thedesign/implementation of Noise Control Measures for the Site and/or Equipment. The IndependentAcoustical Consultant shall not be retained by the Acoustical Consultant involved in the noise impactassessment of the design/implementation of the Noise Control Measures for the Site and/or

Equipment.

30. "Jurisdictional Screening Level" means a screening level for a Compound of Concern that is listedin the Ministry publication titled "Jurisdictional Screening Level (JSL) List, A Screening Tool for OntarioRegulation 419: Air Pollution - Local Air Quality", dated February 2008, as amended.

31. "Log" means the up-to-date log that is used to track all Modifications to the Facility since the dateof this Approval as required by the Documentation Requirements conditions of this Approval.

32. "Manager" means the Manager, Technology Standards Section, Standards Development Branchof the Ministry, or any other person who represents and carries out the duties of the Manager, as thoseduties relate to the conditions of this Approval.

33. “Manager, Environment” means the Manager, Environment, Enbridge Gas Distribution Inc. or anyother person who represents and carries out the duties of the Manager, Environment, Enbridge GasDistribution Inc., and its successors as those duties relate to the conditions of this Approval.

34. "Maximum Concentration Level Assessment" means the Maximum Concentration LevelAssessment for the purposes of an Approval, described in the Basic Comprehensive UserGuide, prepared by a Toxicologist using currently available toxicological information, thatdemonstrates that the concentration at any Point of Impingement for a Compound of Concern thatdoes not have a Ministry Point of Impingement Limit is not likely to cause an adverse effect as definedby the EPA. The concentration at Point of Impingement for a Compound of Concern must becalculated in accordance with O. Reg. 419/05.

35. "Ministry" means the ministry of the government of Ontario responsible for the EPA and itsregulations and includes all officials, employees or other persons acting on its behalf.

36. "Ministry Point of Impingement Limit" means the applicable Standard set out in Schedule 2 or 3 ofO.Reg. 419/05 or a limit set out in the Ministry publication titled "Summary of Standards andGuidelines to support Ontario Regulation 419: Air Pollution - Local Air Quality (including Schedule 6 ofO. Reg. 419 on Upper Risk Thresholds)", dated April 2012, as amended.

37. "Modification" means any construction, alteration, extension or replacement of any plant, structure,equipment, apparatus, mechanism or thing, or alteration of a process or rate of production at theFacility that may discharge or alter the rate or manner of discharge of a Compound of Concern to theair or discharge or alter noise or vibration emissions from the Facility.

38. "Noise Control Measures" means measures to reduce the noise emissions from the Facility and/orEquipment including, but not limited to, silencers, acoustic louvres, enclosures, absorptive treatment,plenums and barriers. It also means the noise control measures detailed in the Acoustic AssessmentReport.

39. "O. Reg. 419/05" means the Ontario Regulation 419/05, Air Pollution – Local Air Quality, asamended.

40. "Original ESDM Report" means the Emission Summary and Dispersion Modelling Report whichwas prepared in accordance with section 26 of O. Reg. 419/05 that is included in Schedule “B” and theProcedure Document, by ORTECH Consulting Inc., RWDI Air Inc. and WESA Inc., submitted insupport of the application, and includes any changes to the report made up to the date of issuance ofthis Approval.

41. "Performance Limits" means the performance limits specified in Condition 3.2 of this Approval titledPerformance Limits.

42. "Point of Impingement" has the same meaning as in section 2 of O. Reg. 419/05.

43. "Point of Reception" means Point of Reception as defined by Publication NPC-205 and/or

Publication NPC-232, as applicable.

44. "Pre-Test Information" means the information outlined in Section 1 of the Source Testing Code.

45. "Procedure Document" means Ministry guidance document titled "Procedure for Preparing anEmission Summary and Dispersion Modelling Report" dated March 2009, as amended.

46. "Processes with Significant Environmental Aspects" means the Equipment which, during regularoperation, would discharge a contaminant or contaminants into the air at an amount which is notconsidered as negligible in accordance with section 26(1)4 of O. Reg. 419/05 and the ProcedureDocument.

47. “Publication NPC-103” means the Ministry Publication NPC-103, “Procedures” of the ModelMunicipal Noise Control Bylaw, Final Report, August 1978.

48. "Publication NPC-205" means the Ministry Publication NPC-205, “Sound Level Limits forStationary Sources in Class 1 & 2 Areas (Urban)”, October, 1995, as amended.

49. "Publication NPC-207" means the Ministry draft technical publication “Impulse Vibration inResidential Buildings”, November 1983, supplementing the Model Municipal Noise Control By-Law,Final Report, published by the Ministry, August 1978, as amended.

50. "Publication NPC-232" means the Ministry Publication NPC-232, "Sound Level Limits forStationary Sources in Class 3 Areas (Rural)", October, 1995, as amended.

51. "Publication NPC-233" means the Ministry Publication NPC-233, "Information to be Submitted forApproval of Stationary Sources of Sound", October, 1995, as amended.

52. "Schedules" means the following schedules attached to this Approval and forming part of thisApproval namely:

Schedule A - Supporting Documentation

Schedule B – List of Original ESDM Report & Acoustic Assessment Report Schedule C – List of Compressor Stations Schedule D –Emission Abatement Plan Schedule E – Continuous Temperature Monitoring Schedule F – Third Party Verification53. “Sensitive Receptor” means any location where routine or normal activities occurring atreasonably expected times would experience adverse effect(s) from the discharges of the Facility,including one or a combination of:

a) private residences or public facilities where people sleep; for example: single and multi-unitdwellings, nursing homes, hospitals, trailer parks, camping grounds, etc.;

b) institutional facilities; for example: schools, churches, community centres, day care centres,recreational centres, etc.;

c) outdoor public recreational areas; for example: trailer parks, play grounds, picnic areas, etc.; and

d) commercial areas where there are continuous public activities; for example: commercial plazas andoffice buildings.

54. “Site” means a property that is owned or leased by the Company, including a property thatbecomes owned or leased by the Company after the issue date on this Approval that is located inOntario, and includes all Equipment owned or operated by the Company on that property.

55. "Source Testing" means sampling and testing to measure emissions resulting from operating the

Equipment under conditions which yield the worst case emissions within the approved operating rangeof the Equipment, as determined in consultation with the Manager.

56. "Source Testing Code" means the Source Testing Code, Version 2, Report No. ARB-66-80, datedNovember 1980, prepared by the Ministry, as amended.

57. “Third Party Consultant” means a consultant who is not representing the Company, and who wasnot involved in preparing the ESDM Report or the Acoustic Assessment Report or in thedesign/implementation of the Emission Abatement Plan for the Site.

58. “Third Party Verification” means a procedure consisting of inspection and/or observation carriedout by a qualified Third Party Consultant to confirm that the Company is operating in accordance withthe provisions of this Approval and that the air and noise emissions produced from a Site are incompliance with the conditions of this Approval.

59. "Toxicologist" means a qualified professional currently active in the field of risk assessment andtoxicology that has a combination of formal university education, training and experience necessary toassess contaminants.

60. "Written Summary Form" means the electronic questionnaire form, available on theMinistry website, and supporting documentation, that documents the activities undertaken at theFacility in the previous calendar year that must be submitted annually to the Ministry as required by thesection of this Approval titled Reporting Requirements.

You are hereby notified that this environmental compliance approval is issued to you subject to theterms and conditions outlined below: TERMS AND CONDITIONS 1. GENERAL1.1 Except as otherwise provided by this Approval, the Facility shall be designed, developed, built,operated and maintained in accordance with the terms and conditions of this Approval and inaccordance with the following Schedules attached hereto:

Schedule A - Supporting Documentation

Schedule B – List of Original ESDM Report& Acoustic Assessment Report Schedule C – List of Compressor Stations Schedule D –Emission Abatement Plan Schedule E – Continuous Temperature Monitoring Schedule F – Third Party Audit1.2 The Company shall carry out the Emission Abatement Plan included in Schedule “D”.

1.3 The Company shall perform the periodic testing on only one (1) emergency generator at any giventime at any Site.

2. LIMITED OPERATIONAL FLEXIBILITY

2.1 Pursuant to section 20.6(1) of the EPA and subject to Conditions 2.2 and 2.3 of thisApproval, future construction, alterations, extensions or replacements are approved in this Approval ifthe future construction, alterations, extensions or replacements are Modifications to the Facility that:

(a) are within the scope of the operations of the Facility as described in the Description Section of thisApproval;

(b) do not result in an increase of the Facility Production Limit above the level specified in theDescription Section of this Approval; and

(c) result in compliance with the Performance Limits.

2.2 Condition 2.1 does not apply to:

(a) the addition of any new Equipment with Specific Operational Limits or to the Modification of anyexisting Equipment with Specific Operational Limits at the Facility; or

(b) Modifications to the Facility that would be subject to the Environmental Assessment Act.

(c) Modifications to the Facility that would cause a Site not listed in Schedule “C” of this Approval tobecome a Compressor Station.

2.3 Condition 2.1 of this Approval shall expire ten (10) years from the date of this Approval,unless thisApproval is revoked prior to the expiry date. The Company may apply for renewal of Condition 2.1 ofthis Approval by including the ESDM Report, Assessment Protocol,and Acoustic AssessmentReport that describes the Facility as of the date of the renewal application.

3. REQUEST FOR MAXIMUM CONCENTRATION LEVEL ASSESSMENT AND PERFORMANCELIMITS

3.1 REQUEST FOR MAXIMUM CONCENTRATION LEVEL ASSESSMENT

3.1.1 If the Company proposes to make a Modification to the Facility, the Company shall determine ifthe proposed Modification will result in:

(a) a discharge of a Compound of Concern that was not previously discharged; or

(b) an increase in the concentration at a Point of Impingement of a Compound of Concern.

3.1.2 If a proposed Modification mentioned in Condition 3.1.1 will result in the discharge of aCompound of Concern that was not previously discharged, the Company shall submit a MaximumConcentration Level Assessment to the Director for review by the Air Standards Manager in thefollowing circumstances:

(a) The Compound of Concern does not have a Ministry Point of Impingement Limit or a JurisdictionalScreening Level.

(b) The Compound of Concern does not have a Ministry Point of Impingement Limit and theconcentration at a Point of Impingement will exceed the Jurisdictional Screening Level.

(c) Prior to the proposed Modification, a contaminant was discharged in a negligible amount and theproposed Modification will result in the discharge of the contaminant being considered a Compound ofConcern and the Compound of Concern does not have a Ministry Point of Impingement Limit or aJurisdictional Screening Level.

(d) Prior to the proposed Modification, a contaminant was discharged in a negligible amount and theproposed Modification will result in the discharge of the contaminant being considered a Compound ofConcern. Additionally, the Compound of Concern does not have a Ministry Point of ImpingementLimit and the concentration at a Point of Impingement will exceed the Jurisdictional Screening Level.

3.1.3 If a proposed Modification mentioned in Condition 3.1.1 will result in an increase in theconcentration at a Point of Impingement of a Compound of Concern, the Company shall submit aMaximum Concentration Level Assessment to the Director for review by the Air Standards Manager inthe following circumstances:

(a) The Compound of Concern does not have a Ministry Point of Impingement Limit or a Jurisdictional

Screening Level and the concentration at a Point of Impingement will exceed the Acceptable MaximumGround Level Concentration.

(b) The Compound of Concern does not have a Ministry Point of Impingement Limit or a JurisdictionalScreening Level and the concentration at a Point of Impingement will exceed the most recentlyaccepted Maximum Concentration Level Assessment submitted under Condition 3.1.2 or thisCondition.

(c) The Compound of Concern does not have a Ministry Point of Impingement Limit and theconcentration at a Point of Impingement will exceed the Jurisdictional Screening Level and theAcceptable Maximum Ground Level Concentration.

(d) The Compound of Concern does not have a Ministry Point of Impingement Limit and theconcentration at a Point of Impingement will exceed the Jurisdictional Screening Level and the mostrecently accepted Maximum Concentration Level Assessment submitted under Condition 3.1.2 or thisCondition.

(e) The Compound of Concern does not have a Ministry Point of Impingement Limit, AcceptableMaximum Ground Level Concentration or a Maximum Concentration Level Assessment and theconcentration at a Point of Impingement will exceed the Jurisdictional Screening Level.

3.1.4 Subject to the Operational Flexibility set out in Condition 2 of this Approval, the Company maymake the Modification if the submission of a Maximum Concentration Level Assessment underCondition 3.1.2 or 3.1.3 is not required.

3.1.5 A Company that is required to submit an assessment under Condition 3.1.2 or 3.1.3 shall submitthe assessment at least thirty (30) days before the proposed Modification occurs.

3.1.6 The Ministry shall provide to the Company written confirmation of the receipt of the assessmentunder Condition 3.1.2 or 3.1.3.

3.1.7 If an assessment is submitted under Condition 3.1.2 or 3.1.3, the Company shall not modify theFacility unless the Ministry accepts the assessment.

3.1.8 If the Ministry notifies the Company that it does not accept the assessment submitted underCondition 3.1.2 or 3.1.3, the Company shall:

(a) revise and resubmit the assessment; or

(b) notify the Ministry that the Company will not be modifying the Facility.

3.1.9 The re-submission under Condition 3.1.8 (a) is considered by the Ministry as a new submission.

3.2. PERFORMANCE LIMITS

3.2.1 Subject to Condition 3.2.2, the Company shall, at all times, ensure that all Equipment that is asource of a Compound of Concern is operated to comply with the following Performance Limits:

(a) for a Compound of Concern that has a Ministry Point of Impingement Limit, the maximumconcentration of that Compound of Concern at any Point of Impingement shall not exceed thecorresponding Ministry Point of Impingement Limit;

(b) for a Compound of Concern that has an Acceptable Maximum Ground Level Concentration and noMaximum Concentration Level Assessment, the maximum concentration of that Compound ofConcern at any Point of Impingement shall not exceed the corresponding Acceptable MaximumGround Level Concentration; and

(c) for a Compound of Concern that has a Maximum Concentration Level Assessment, the maximumconcentration of that Compound of Concern at any Point of Impingement shall not exceed the most

recently accepted corresponding Maximum Concentration Level Assessment.

3.2.2 If the Company has modified the Facility and was not required to submit a MaximumConcentration Level Assessment with respect to a Compound of Concern under Condition 3.1.2 or3.1.3, the Company shall, at all times, ensure that all Equipment that is a source of the Compound ofConcern is operated such that the maximum concentration of the Compound of Concern shall notexceed the concentration listed for the Compound of Concern in the most recent version of the ESDMReport.

3.2.3 The Company shall:

(a) implement the Noise Control Measures as outlined in the Acoustic Assessment Repot;

(b) ensure, subsequent to the implementation of the Noise Control Measures that the noise emissionsfrom the Facility comply with the limits set in Ministry Publication NPC-205 or Publication NPC-232, asapplicable; and

(c) ensure that the Noise Control Measures are properly maintained and continue to provide theacoustical performance outlined in the Acoustic Assessment Report.

3.2.4 The Company shall, at all times, ensure that the vibration emissions from the Facility comply withthe limits set out in Ministry Publication NPC-207.

3.2.5 The Company shall, at all times, operate any Equipment with Specific OperationalLimits approved by this Approval in accordance with the Original ESDM Report and Condition 9 in thisApproval.

3.2.6 Condition 3.2.3 of this Approval does not apply to a Site identified in Schedule “D” of thisApproval as being part of the Emissions Abatement Plan for noise emissions until the compliance datespecified in the Emissions Abatement Plan for noise emissions from that Site.

4. DOCUMENTATION REQUIREMENTS

4.1 The Company shall, at all times, maintain documentation that describes the current operations ofeach Site, including but not limited to:

(a) an ESDM Report that demonstrates compliance with the Performance Limits for each Site;

(b) an Acoustic Assessment Report that demonstrates compliance with the Performance Limits foreach Site;

(c) an up-to-date Log that describes each Modification to the Facility; and

(d) a record of the changes to any ESDM Report or Acoustic Assessment Report that documents howeach Modification is in compliance with the Performance Limits.

4.2 The Company shall, during regular business hours, make the current Emission SummaryTable and Acoustic Assessment Summary Table available for inspection by any interested member ofthe public at the head office and the website of the Company.

4.3 Subject to Condition 4.5, the Company shall prepare and complete no later than August 15 of eachyear documentation that describes the activities undertaken at the Facility in the previous calendaryear, including but not limited to:

(a) a list of all Compounds of Concern for which a Maximum Concentration Level Assessment wassubmitted to the Director for review by the Air Standards Manager pursuant to Condition 3.1.2 or 3.1.3of this Approval;

(b) if the Company has modified the Facility and was not required to submit a Maximum Concentration

Level Assessment with respect to a Compound of Concern under Condition 3.1.2 or 3.1.3, a list andconcentration level of all such Compounds of Concern;

(c) a review of any changes to Ministry Point of Impingement Limits that affect any Compounds ofConcern emitted from the Facility; and

(d) a table of the changes in the emission rate of any Compound of Concern and the resultant increaseor decrease in the Point of Impingement concentration reported in the ESDM Report.

(e) an updated list of Company Buildings, identifying their addresses and/or UTM Coordinate locations;

(f) an updated list of Company Distribution Stations, identifying their addresses and/or UTMCoordinate locations; and

(g) a summary of all activities related to continuous improvement undertaken in the previous calendaryear.

4.4 Subject to Condition 4.5, the Company shall, at all times, maintain the documentation described inCondition 4.3.

4.5 Conditions 4.3 and 4.4 do not apply if Condition 2.1 has expired.

4.6 The Company shall, within three (3) months after the expiry of Condition 2.1 of this Approval,update the ESDM Report and the Acoustic Assessment Report such that they describe the Facility asit was at the time that Condition 2.1 of this Approval expired.

4.7 The Company shall maintain a summary of its triennial training of its employees and make thesummary available to the Ministry upon request.

4.8 The Company shall maintain a summary of the Third Party Verification schedule and results of anyThird Party Verification conducted in the previous calendar year.

5. REPORTING REQUIREMENTS

5.1 Subject to Condition 5.2, the Company shall provide the Ministry and the Director no later thanAugust 15 of each year, a Written Summary Form that shall include the following:

(a) a declaration of whether the Facility was in compliance with section 9 of the EPA, O.Reg.419/05 and the conditions of this Approval;

(b) a summary of each Modification that took place in the previous calendar year that resulted in achange in the previously calculated concentration at the Point of Impingement for any Compound ofConcern or resulted in a change in the sound levels reported in the Acoustic Assessment SummaryTable at any Point of Reception for the Facility.

5.2 Condition 5.1 does not apply if Condition 2.1 has expired.

6. OPERATION AND MAINTENANCE

6.1 The Company shall prepare and implement, not later than three (3) months from the date of thisApproval, operating procedures and maintenance programs for all Processes with SignificantEnvironmental Aspects, which shall specify as a minimum:

(a) frequency of inspections and scheduled preventative maintenance;

(b) procedures to prevent upset conditions;

(c) procedures to minimize all fugitive emissions;

(d) procedures to prevent and/or minimize odorous emissions;

(e) procedures to prevent and/or minimize noise emissions; and

(f) procedures for record keeping activities relating to the operation and maintenance programs.

6.2 The Company shall ensure that all Processes with Significant Environmental Aspects are operatedand maintained at all times in accordance with this Approval, the operating procedures andmaintenance programs.

7. COMPLAINTS RECORDING PROCEDURE

7.1 If at any time, the Company receives any environmental complaints from the public regarding theoperation of the Equipment approved by this Approval, the Company shall respond to thesecomplaints according to the following procedure:

(a) the Company shall record and number each complaint, either electronically or in a log book, andshall include the following information:

● the Site;● the time and date of the complaint and incident to which the complaint relates;● the nature of the complaint;● wind direction at the time and date of the incident to which the complaint relates; and● the address of the complainant, if known;

(b) the Company, upon notification of a complaint, shall initiate appropriate steps to determine allpossible causes of the complaint, and shall proceed to take the necessary actions to appropriatelydeal with the cause of the subject matter of the complaint; and(c) the Company shall complete and retain on-site a report written within one (1) week of the complaintdate, listing the actions taken to appropriately deal with the cause of the subject matter of thecomplaint and any recommendations for remedial measures, and managerial or operational changesto reasonably avoid the recurrence of similar incidents.

(d) the Company shall notify the District Manager,either by phone or in writing, of each environmentalcomplaint within two (2) business days of the complaint. The notification shall include the followinginformation: the time and date of the complaint and incident to which the complaint relates, the natureof the complaint, wind direction at the time and date of the incident to which the complaint relates, theaddress of the complainant if known, and the measures taken to address the cause(s) of thecomplaint.

8. RECORD KEEPING REQUIREMENTS

8.1 Any information requested by any employee in or agent of the Ministry concerning the Facility andits operation under this Approval, including, but not limited to, any records required to be kept by thisApproval, shall be provided to the employee in or agent of the Ministry, upon request, in a timelymanner.

8.2 The Company shall retain, for a minimum of five (5) years from the date of their creation, except asnoted below, all reports, records and information described in this Approval and shall include but notbe limited to:

(a) If the Company has updated the ESDM Report in order to comply with Condition 4.1(a) of thisApproval, a copy of each new version of the ESDM Report;

(b) If the Company has updated the Acoustic Assessment Report, in order to comply with Condition4.1(b) of this Approval, a copy of each new version of the Acoustic Assessment Report;

(c) supporting information used in the emission rate calculations performed in the ESDM Report and

Acoustic Assessment Report to document compliance with the Performance Limits(supersededinformation must be retained for a period of three (3) years after Modification);

(d) the Log that describes each Modification to the Facility;

(e) all documentation prepared in accordance with Condition 4.3 of this Approval;

(f) copies of any Written Summary Forms provided to the Ministry under Condition 5.1 of this Approval;

(g) the operating procedures and maintenance programs, including records on the maintenance, repairand inspection of the Equipment related to all Processes with Significant Environmental Aspects; and

(h) the complaints recording procedure, including records related to all environmental complaints madeby the public as required by Condition 7.1 of this Approval.

9. EQUIPMENT WITH SPECIFIC OPERATIONAL LIMITS

9.1 The Company shall ensure that the fume incinerator serving the glycol dehydrator at eachSite described in Schedule “C” of this Approval is designed and operated to comply, at all times, withthe following performance requirements:

(a) The exhaust gases from the dehydrator shall not be introduced into the fume incinerator until thetemperature in the combustion chamber has reached a temperature of 900 degrees Celsius, asmeasured by the continuous temperature monitor;

(b) the temperature in the combustion chamber, as measured by the continuous temperature monitor,shall be maintained at a minimum temperature of 900 degrees Celsius at all times, when the fumeincinerator is in operation;

(c) the residence time of the combustion gases in the combustion chamber shall not be less than 0.75seconds at a temperature of 900 degrees Celsius; and,

(d) the concentration of organic matter in the undiluted flue gas leaving the fume incinerator, having acarbon content, expressed as equivalent methane, being an average of ten measurements taken atapproximately one minute intervals, shall not be greater than 100 parts per million by volume,measured on an undiluted basis.

9.2 The Company shall install, conduct, and maintain a program to continuously monitor thetemperature in the combustion chamber, at all times, when the fume incinerator is in operation at eachSite. The continuous monitoring system shall be equipped with a continuous recording device andshall comply with the requirements outlined in Schedule “E” of this Approval.

9.3 The Company shall retain, for a minimum of two (2) years from the date of their creation, allrecords and information related to or resulting from the operation, maintenance, and monitoringactivities required by this Approval, and make these records available for review by the staff of theMinistry upon request. The Company shall retain for each Site where a fume incinerator is located:

(a) all records on the maintenance, repair, and inspection of the fume incinerator and the continuousmonitoring and recording device;

(b) all produced by the continuous monitoring system; and,

(c) all records of the failure of the fume incinerator resulting in a direct discharge of the exhaust gasesinto the atmosphere, including the date, duration, causes of the incidents, and measures taken toaddress the failure.

10. THIRD PARTY VERIFICATION

10.1 The Company shall ensure that the Third Party Verifications are conducted for the Sites in

accordance with Schedule “F,” the framework outlined in the application, and the following provisions:

(a) Prior to carrying out each Third Party Verification, the Manager, Environment, shall direct the ThirdParty Verification Consultant to consult the District Manager in the development of a Third PartyVerification plan for a particular Site.

(b) At the end of each calendar year, the Manager, Environment¸ shall finalize the Third PartyVerification schedule for the following year, including the dates of the Third Party Verifications and theSites to be verified. The schedule shall be forwarded to the District Manager.

(c) The Company shall report on the schedule and results of the Third Party Verification in accordancewith the provisions of Condition 5 of this Approval.

11. ACOUSTIC AUDIT

11.1 In accordance with the provisions of Schedule "D", the Company shall carry out AcousticAudit measurements on the actual noise emissions due to the operation of the Facility. The Company:

(a) shall carry out Acoustic Audit measurements in accordance with the procedures in PublicationNPC-103;

(b) shall submit an Acoustic Audit Report on the results of the Acoustic Audit, prepared by anIndependent Acoustical Consultant, in accordance with the requirements of Publication NPC-233, tothe District Manager and the Director.

11.2 The Director:

(a) may not accept the results of the Acoustic Audit if the requirements of Publication NPC-233 werenot followed;

(b) may require the Company to repeat the Acoustic Audit if the results of the Acoustic Audit are foundunacceptable to the Director.

12. SOURCE TESTING

12.1 The Company shall monitor the operation of reciprocating natural gas compressors and itsemissions as follows:

(a) The Company shall perform Source Testing to determine the rates of emission of Nitrogen Oxidesfrom exhaust stacks KVT703 and KVR706 located at 3595 Tecumseh Road, St. Clair Township,County of Lambton, N0N 1M0.

(b) The Company shall submit, not later than three (3) months after the date of issue of this Approval,to the Manager a test protocol, including the Pre-Test Information for the Source Testing required bythe Source Testing Code. The Company shall finalize the test protocol in consultation with theManager.

(c) The Company shall not commence the Source Testing until the Manager has accepted the testprotocol.

(d) The Company shall complete the Source Testing not later than three (3) months after theManager has accepted the test protocol.

(e) The Company shall notify the District Manager and the Manager in writing of the location, date andtime of any impending Source Testing required by this Approval, at least fifteen (15) working days priorto the Source Testing.

(f) The Company shall submit a report on the Source Testing to the District Manager and theManager not later than two (2) months after completing the Source Testing. The report shall be in the

format described in the Source Testing Code, and shall also include:

(i) an executive summary;

(ii) records of all operating conditions; and

(iii) results of dispersion calculations at a Point of Impingement in accordance to O. Reg. 419/05 ,from the operation of Equipment , indicating the maximum concentration of Nitrogen Oxides at thePoint of Impingement .

(g) The Director may not accept the results of the Source Testing if:

(i) the Source Testing Code or the requirements of the Manager were not followed; or

(ii) the Company did not notify the District Manager and the Manager of the Source Testing ;or

(iii) the Company failed to provide a complete report on the Source Testing ;

(h) If the Director does not accept the results of the Source Testing , the Director may require re-testing.13. REVOCATION OF PREVIOUS APPROVALS

13.1 This Approval replaces and revokes all Certificates of Approval (Air) issued under section 9EPA and Environmental Compliance Approvals issued under Part II.1 EPA to the Facility in regards tothe activities mentioned in subsection 9(1) of the EPA and dated prior to the date of this Approval.

SCHEDULE A

Supporting Documentation

(a) Application for Approval (Air & Noise), dated August 25, 2011, signed by Glenn Beaumont andsubmitted by the C ompany;(b) Emission Summary and Dispersion Modelling Report, prepared by ORTECH Consulting Inc., RWDIAir Inc. and WESA Inc. ;

(c) Assessment Protocols for:

Compressor Stations, prepared by ORTECH Consulting Inc. and dated September 26, 2011;

Distribution Station, prepared by ORTECH Consulting Inc. and dated September 26, 2011;

Typical Enbridge Buildings, prepared by ORTECH Consulting Inc. and dated September 26, 2011;

(d) All other supporting documentation and correspondences.

SCHEDULE B

LIST OF ORIGINAL ESDM REPORT & ACOUSTIC ASSESSMENT REPORT

(a) Original Emission Summary and Dispersion Modelling Reports, prepared by ORTECH ConsultingInc., RWDI Air Inc. or WESA Inc.:Buildings

40 Kelfield Street, Toronto, Ontario, dated November 22, 2012 1350 Thornton Road, Oshawa, Ontario, dated November 22, 2012 3157 Kennedy Road, Toronto, Ontario, dated November 22, 2012 400 Coventry Road, Ottawa, Ontario, dated November 22, 2012 3401 Schmon Parkway, Thorold, Ontario, dated November 22, 2012 500 Consumers Road, Toronto, Ontario, dated January 22, 2010 Ladysmith Battery, St. Clair Township, Ontario, dated July 2012 Compressor Stations Chatham 'D' Compressor Station, Chatham, Ontario, dated February 25, 2013 Crowland Compressor Station, Port Colborne, Ontario, dated March 7, 2013 Sombra Compressor Station, Sombra Township, Ontario, dated March 7, 2013, Tecumseh Battery, Mooretown, Ontario, dated September 16, 2011, Seckerton Battery, Moore Township, Ontario, January 17, 2013 Distribution Stations 405 Eastern Avenue Distribution Station, Toronto, Ontario, dated November 22, 2012 Albion Road Feeder Station, Etobicoke, Ontario, dated July 31, 2009 Bathurst Gate Station, Vaughan, Ontario, dated October 16, 2009, Barrie Gate Station, Vespra Township, Ontario, dated March 6, 2007 Blackhorse Gate Station, Thorold, Ontario, dated July 31, 2007 Brockville Gate Station, Brockville, Ontario, dated November 22, 2012 Haley Gate Station, Township of Ross, Ontario, dated July 31, 2007; Jonesville District Station, North York, Ontario, dated July 31, 2009; Lisgar Gate Station, Mississauga, Ontario, dated April 14, 2005 Markham Gate Station, Markham, Ontario, dated January 4, 2013 Martin Grove Feeder Station, Etobicoke, Ontario, dated August 5, 2008 Mountain Road Gate Station, Niagara Falls, Ontario, dated August 1, 2006 Oshawa Gate Station, Oshawa, Ontario, dated November 22, 2012, Ottawa Gate Station, Ottawa, Ontario, dated July 31, 2007 Parkway Belt Gate Station, Milton, Ontario, dated January 4, 2013 Pelham Gate Station, Pelham, Ontario, dated July 31, 2007 Sandalwood Gate Station, Brampton, Ontario, dated September 26, 2007 Schomberg Gate Station, Pottageville, Ontario, dated December 2, 2008 St. Lawrence Gate Station, Township of Cornwall, Ontario, dated November 22, 2012 Thornton Gate Station, Thornton, Ontario, dated December 1, 2008 Thorold Townline Road Gate Station, Thorold, Ontario, dated February 2, 2010, Victoria Square Gate Station, Toronto, Ontario, dated November 22, 2012 West Mall Feeder Station, Etobicoke, Ontario, dated August 5, 2008 (b) Acoustic Assessment Reports:Buildings

● Memorandum entitled "Noise Screening for Existing Enbridge Gas Buildings" prepared by HGC

Engineering, dated July 31, 2012 and signed by Corey Kinart, P.Eng. (B3, B6, B8 & B9).

Compressor Stations

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated May 28, 2009and signed by Werner Richarz (C1).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated June 17,2009 and signed by David Grant (C2).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated March 31,2010 and signed by Tim Preager (C3).

● Acoustic Assessment Report prepared by RWDI AIR Inc., dated May 17, 2012 and signed byBrad Bergeron (C4)

Distribution Stations

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated October 26,2007 and signed by Nicholas Sylvestre-Williams, P.Eng. (D1).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated September15, 2008, and signed by Nicholas Sylvestre-Williams (D3).

● Acoustic Assessment Report prepared by RWDI AIR Inc, dated August 1, 2007, and signed byNigel M. Taylor (D4).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated September16, 2009 and signed by Aaron Chai (D5).

● Acoustic Assessment Report prepared by RWDI Air Inc. and dated March 7, 2007 (D6).● Acoustic Assessment Report prepared by RWDI Air Inc. and dated August 1, 2007 (D7).● Acoustic Assessment Report prepared by RWDI Air Inc. and dated August 1, 2007 (D8).● Acoustic Assessment Report prepared by RWDI AIR Inc., dated September 17, 2007, andsigned by Nigel M. Taylor (D9).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated July 31, 2009and signed by Nicholas Sylvestre-Williams (D12).


● Acoustic Assessment Report prepared by RWDI AIR Inc, dated March 30, 2009, and signed byNigel M. Taylor (D15).

● Acoustic Assessment Report prepared by HGC Engineering, dated October 26, 2012 andsigned by Corey Kinart, P.Eng. (D16).

● Acoustic Assessment Report prepared by RWDI AIR Inc, dated May 1, 2007, and signed byNigel M. Taylor (D18).

● Acoustic Assessment Report prepared by RWDI AIR Inc., dated November 16, 2007, andsigned by Nigel M. Taylor (D20).


● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated May 14, 2009and signed by Aaron Chai (D22).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated May 14, 2009and signed by Aaron Chai (D24).

● Acoustic Assessment Report prepared by RWDI AIR Inc., dated July 31, 2007, and signed byNigel M. Taylor (D26).

● Acoustic Assessment Report prepared by RWDI AIR Inc., dated August 5, 2008 and signed byNigel M. Taylor (D28).

● Addendum to Acoustic Assessment Report prepared by RWDI AIR Inc., dated November 10,2009 and signed by Nigel M. Taylor (D28).


● Acoustic Assessment Report prepared by RWDI AIR Inc., dated August 1, 2006 and signed byNigel Taylor (D31).


● Acoustic Assessment Report prepared by RWDI AIR Inc., dated August 1, 2007 and signed byNigel M. Taylor (D36).

● Acoustic Assessment Report prepared by RWDI Air Inc. and dated August 1, 2007 (D38).● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated September15, 2008, and signed by Nicholas Sylvestre-Williams (D39).

● Acoustic Assessment Report prepared by RWDI AIR Inc., dated January 6, 2009 and signed byNigel M. Taylor (D40).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated May 14, 2009and signed by Aaron Chai (D41)

● Acoustic Assessment Report prepared by RWDI AIR Inc., dated September 26, 2007 andsigned by Nigel M. Taylor (D45).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated September15, 2008 and signed by Nicholas Sylvestre-Williams (D46).

● Acoustic Assessment Report prepared by Aercoustics Engineering Limited, dated March 28,2007, and signed by Vince Gambino (D47).

● Memo entitled "Enbridge Gas, St John Sideroad and Bayview district station performanceverification" prepared by Aercoustics Engineering Limited, dated May 16, 2007 and signed byPayam Ashtiani and Vince Gambino (D47).



● Acoustic Assessment Report prepared by HGC Engineering, dated December 17, 2009 andsigned by Corey Kinart, P.Eng. (D52).

● Noise Study Report prepared by RWDI AIR Inc., dated June 16, 2006 and signed by Nigel Tylor(D54).

● Acoustic Assessment Report prepared by RWDI AIR Inc., dated August 1, 2007, and signed byNigel M. Taylor (D57)

SCHEDULE C

LIST OF COMPRESSOR STATIONS

SITE NAME NUMBEROF

FUME INCINERATO

R

SITE ADDRESS MUNICIPALITY

UTMCOORDINATESEasting (m)

Northing(m)

1 Chatham 'D'Compressor Station

1 LOT 17,CONCESSION 12

CHATHAM 399,607 4,713,824

2 CrowlandCompressor Station

1 3969 WHITE ROAD PORTCOLBORNE

648,206 4,756,490

3 Sombra CompressorStation

1 PART OF LOT 23,CONCESSION 13

TOWNSHIPOF

SOMBRA

393,513 4,731,286

4 Tecumseh / CorunnaStation

none 3595 TECUMSEHROAD

TOWNSHIPOF STCLAIR

387,973.54

4,745,062

5 Seckerton Battery none HALF OF LOT 20,CONCESSION 4

TOWNSHIPOF MOORE

386,977 4,746,504

SCHEDULE D

EMISSION ABATEMENT PLAN

NOISE EMISSIONS

NOISE CONTROL MEASURES

Station Address Installation DateChatham 'D' Compressor

Station (C1)Lot 17, Concession 12, Chatham April 30, 2014

Crowland CompressorStation (C2)

3969 White Road, Port Colborne December 31, 2014

Tecumseh/CorunnaCompressor Station (C4)

3595 Tecumseh Road, St. Clair April 30, 2014

Note: The details of the Noise Control Measures are included in the Acoustic Assessment Reports ofStations C1, C2 & C4

ACOUSTIC AUDITSStation Address Submission Date

Chatham 'D' CompressorStation (C1)

Lot 17, Concession 12, Chatham August 31, 2014

Crowland CompressorStation (C2)

3969 White Road, Port Colborne March 31, 2015

Sombra CompressorStation (C3)

Part of Lot 23, Concession 13,Sombra

March 31, 2014

Tecumseh/CorunnaCompressor Station (C4)

3595 Tecumseh Road, St. Clair August 31, 2014

Note: Submission Date refers to the date by which the Acoustic Audit Report is to be submitted to theMinistry.

SCHEDULE E CONTINUOUS TEMPERATURE MONITORING

PARAMETER: TemperatureLOCATION:

The sample point for the continuous temperature monitoring and recording system shall be locatedwhere the measurements are representative of the minimum temperature of the gases leaving thecombustion chamber of the fume incinerator.

PERFORMANCE:

The continuous temperature monitor shall meet the following minimum performance specifications forthe following parameters.PARAMETERS SPECIFICATION

Type: shielded "K" type thermocouple, or equivalent. Accuracy: +/- 1.5 percent of the minimum gas temperatureDATA RECORDER:

The data recorder must be capable of registering continuously the measurement of the monitor withouta significant loss of accuracy and with a time resolution of 1 minutes or better.RELIABILITY:

The monitor shall be operated and maintained so that accurate data is obtained during a minimum of95% of the time for each calendar quarter.

SCHEDULE FTHIRD PARTY VERIFICATION

PurposeThe purpose of the Third Party Verification is to independently verify the progress of theimplementation of the Emission Abatement Plan and the compliance status of the following Sites:

Chatham 'D' Compressor Station,

Crowland Compressor Station, Sombra Compressor Station, Tecumseh / Corunna Station, and Seckerton Battery.Roles and Responsibilities

The Manager, Environment shall have the overall responsibility of overseeing the Third PartyVerification program. The Third Party Verification shall be conducted by a Third Party VerificationConsultant.

Scope

The scope of the Third Party Verification is similar to an inspection carried out by a MinistryEnvironmental Officer (i.e., paper verification of compliance with the conditions of the Approval andinformal assessment of odours and noise). Testing would not be required unless warranted by specialcircumstances.

The Third Party Verification is designed to focus on Compressor Stations. Consistent with the risk-based approach, Third Party Verifications need not be carried out for distribution stations, meteringand regulating stations, or buildings, unless warranted by special circumstances.

Details of the annual Third Party Verification plan shall be developed in consultation with staff of theMinistry district offices. Decisions regarding the Sites to be verified and the frequency of Third PartyVerifications shall depend on the review and analysis of the relative level of environmental riskinherent in the operation and past performance of the Compressor Stations. This includes, but is not

limited to, the following factors:

· Complexity and nature of the operation;

· Installed capacity of the equipment; · Location and surrounding land use of the Sites (e.g. rural versus urban), including proximity tosensitive receptors; · Months/hours of operation and associated gas usage; · Current compliance status; · Types, and extent of abatement actions required (Air or Noise); · Time-line for the implementation of the Emission Abatement Plan; · Complaint history of the sites; and · The results of prior Third Party Verifications , and the status of the resulting corrective actions, ifrequired.Schedule

· Third Party Verification Sites shall be verified at least once during the 10 year period of thisEnvironmental Compliance Approval;

· Allowance shall be provided for special Third Party Verification requests not included in the originalplans, made either by staff of the Ministry or the Company ;

Reporting

· The Third Party Verification report for a Site shall be submitted to the District Manager no later thanthree (3) months after the completion of the verification for that Site.

· A summary of the Third Party Verifications shall be included in the annual report submitted to theDirector, as described in section Reporting Requirements of this Approval. · In the event that the Third Party Verification finds non-compliance with the Performance Limits at aSite , the Company shall submit an abatement plan to the District Manager within three (3) months ofthe date of the Third Party Verification report for that Site unless the Third Party Verification that foundnon-compliance was for a Site listed on the Emissions Abatement Plan found in Schedule “D” of thisApproval, and the Third Party Verification was conducted prior to the compliance date listed thereinfor that Site .

The reasons for the imposition of these terms and conditions are as follows:

GENERAL1. Condition No. 1 is included to require the Approval holder to build, operate and maintain theFacility in accordance with the Supporting Documentation in Schedule A considered by the Director inissuing this Approval.

LIMITED OPERATIONAL FLEXIBILITY, REQUEST FOR MAXIMUM CONCENTRATION LEVELASSESSMENT AND PERFORMANCE LIMITS

2. Conditions No. 2 and 3 are included to limit and define the Modifications permitted by thisApproval, and to set out the circumstances in which the Company shall submit a MaximumConcentration Level Assessment prior to making Modifications. The holder of the Approval isapproved for operational flexibility for the Facility that is consistent with the description of theoperations included with the application up to the Facility Production Limit. In return for the operationalflexibility, the Approval places performance based limits that cannot be exceeded under the terms of

this Approval. Approval holders will still have to obtain other relevant approvals required to operate theFacility, including requirements under other environmental legislation such as the EnvironmentalAssessment Act.

DOCUMENTATION REQUIREMENTS

3. Condition No. 4 is included to require the Company to maintain ongoing documentation thatdemonstrates compliance with the Performance Limits of this Approval and allows the Ministry tomonitor on-going compliance with these Performance Limits. The Company is required to have an upto date ESDM Report and Acoustic Assessment Report that describe each Site at all times and makethe Emission Summary Table and Acoustic Assessment Summary Table from these reports availableto the public on an ongoing basis in order to maintain public communication with regard to theemissions from the Facility.

REPORTING REQUIREMENTS

4. Condition No. 5 is included to require the Company to provide a yearly Written Summary Form tothe Ministry, to assist the Ministry with the review of the site’s compliance with the EPA, the regulationsand this Approval.

OPERATION AND MAINTENANCE

5. Condition No. 6 is included to require the Company to properly operate and maintain the Processeswith Significant Environmental Aspects to minimize the impact to the environment from theseprocesses.

COMPLAINTS RECORDING PROCEDURE

6. Condition No. 7 is included to require the Company to respond to any environmental complaintsregarding the operation of the Equipment, according to a procedure that includes methods forpreventing recurrence of similar incidents and a requirement to prepare and retain a written report.

RECORD KEEPING REQUIREMENTS

7. Condition No. 8 is included to require the Company to retain all documentation related to thisApproval and provide access to employees in or agents of the Ministry, upon request, so that theMinistry can determine if a more detailed review of compliance with the Performance Limits isnecessary.

EQUIPMENT WITH SPECIFIC OPERATIONAL LIMITS

8. Condition No. 9 is included to emphasize that the Equipment with Specific Operational Limits mustbe maintained and operated according to a procedure that will result in compliance with the Act, theregulations and this Approval.

THIRD PARTY VERIFICATION

9. Condition No. 10 is included to independently verify the compliance status of the Sites and theprogress of the implementation of the Emission Abatement Plan.

ACOUSTIC AUDIT

10. Condition No. 11 is included to require the Company to gather accurate information so that theenvironmental noise impact and subsequent compliance with the EPA, Regulations, Ministry NoiseGuidelines and this Approval can be verified.

SOURCE TESTING

11. Condition No. 12 is included to require the Company to gather accurate information so that the

compliance with the EPA, the regulations and this Approval can be verified.

REVOCATION OF PREVIOUS APPROVALS

12. Condition No. 13 is included to identify that this Approval replaces all Section 9 Certificate(s) ofApproval and Part II.1 Approvals in regards to the activities mentioned in subsection 9(1) of theEPA and dated prior to the date of this Approval.

Upon issuance of the environmental compliance approval, I hereby revoke Approval No(s). 8713-7SVQ3Y issued on June 30, 2009, 1254-7FZR33 issued on August 8, 2008, 8-1045-98-006 issued on July 20, 1998, 1651-4U8LUN issued on June 7, 2001, 8-1124-98-007 issued on December 21, 1998, 5167-7FRKCN issued on July 15, 2008, 3597-7TPRFG issued on July 31, 2009, 6749-7RSPZS issued on June 26, 2009, 0405-4QLPUM issued on November 22, 2000, 7987-8RXQEU, issued on January 30, 2013 8-1213-94-956 issued on January 26, 1995 8-1212-96-967 issued on February 26, 1997 3589-7UERGT issued on August 30, 2009 7815-7R7SJR issued on May 26, 2009 8-4027-98-006 issued on June 10, 1998, 3193-6UNKP9 issued on October 30, 2006, 1371-7GZLF5 issued on August 31, 2008, 5105-84YRCR issued on July 29, 2010, 5385-7WZP27 issued on November 25, 2009, 9976-7U5REZ issued on February 21, 2010, 9411-7Q2Q53 issued on June 12, 2009, 8754-7THH86 issued on July 14, 2009, 3476-7TKR53 issued on July 14, 2009, 1218-7TKHLJ issued on July 14, 2009, 2716-7RSKPR issued on July 17, 2009, 8-3409-99-006 issued on December 17, 1999, 1423-4YJHBE issued on July 11, 2001, 8-4261-99-006 issued on December 17, 1999, 3842-4FQT56 issued on January 21, 2000, 8226-7TPP6M issued on February 21, 2010, 4720-7Q2QAB issued on June 12, 2009, 2887-4FJSQQ issued on January 17, 2000, 8-4072-99-006 issued on December 13, 1999, 4789-7Q2KNT issued on June 26, 2009, 4155-4YHP8W issued on July 13, 2001, 0882-7RSPR5 issued on July 17, 2009, 4187-7Z2L6G issued on February 11, 2010, 7105-52CS6H issued on September 14, 2001, 0912-7RSLBG issued on July 17, 2009, 0929-52PTUL issued on October 10, 2001, 1198-7TPNR2 issued on November 25, 2009, 1552-7U5NWC issued on February 11, 2010, 2790-798MFK issued on June 2, 2008, 7312-4YHR5Q issued on July 13, 2001, 6025-52SNEP issued on September 27, 2001,

7873-7U5Q27 issued on February 11, 2010, 8-3326-99-006 issued on October 5, 1999, 1567-7QPPUH issued on June 12, 2009, 4437-4ENSFV issued on May 15, 2000, 3806-7TKS92 issued on July 14, 2009, 5007-7U5QQ2 issued on February 11, 2010, 5523-7U5PNL issued on February 21, 2010, 4741-52SM2V issued on September 27, 2001, 2715-4XUQP3 issued on June 20, 2001, 8-3408-99-006 issued on December 17, 1999, 3456-52SNV2 issued on September 27, 2001, 1669-7RZLBG issued on July 20, 2009, 1112-7U5LG3 issued on February 11, 2010, 2716-7RSQ9Y issued on June 26, 2009, 3045-4YJN6U issued on July 13, 2001, 6578-7U6NVQ issued on February 11, 2010, 0779-7U5RY9 issued on February 21, 2010, 8-3267-99-006 issued on October 8, 1999 & 8-2094-99-006 issued on July 15, 1999.

In accordance with Section 139 of the Environmental Protection Act, you may by written Notice servedupon me, the Environmental Review Tribunal and in accordance with Section 47 of the EnvironmentalBill of Rights, 1993 , S.O. 1993, c. 28 (Environmental Bill of Rights), the Environmental Commissioner,within 15 days after receipt of this Notice, require a hearing by the Tribunal. The EnvironmentalCommissioner will place notice of your appeal on the Environmental Registry. Section 142 of theEnvironmental Protection Act provides that the Notice requiring the hearing shall state: 1. The portions of the environmental compliance approval or each term or condition in theenvironmental compliance approval in respect of which the hearing is required, and; 2. The grounds on which you intend to rely at the hearing in relation to each portion appealed. Pursuant to subsection 139(3) of the Environmental Protection Act, a hearing may not be required withrespect to any terms and conditions in this environmental compliance approval, if the terms andconditions are substantially the same as those contained in an approval that is amended or revoked bythis environmental compliance approval. The Notice should also include: 3. The name of the appellant; 4. The address of the appellant; 5. The environmental compliance approval number; 6. The date of the environmental compliance approval; 7. The name of the Director, and; 8. The municipality or municipalities within which the project is to be engaged in. And the Notice should be signed and dated by the appellant. This Notice must be served upon: The Secretary* Environmental ReviewTribunal 655 Bay Street, Suite

AND

The EnvironmentalCommissioner 1075 Bay Street, Suite605

AND

The Director appointed for thepurposes of Part II.1 of theEnvironmental Protection Act Ministry of the Environment

1500 Toronto, Ontario M5G 1E5

Toronto, Ontario M5S 2B1

2 St. Clair Avenue West, Floor12A Toronto, Ontario M4V 1L5

* Further information on the Environmental Review Tribunal ’s requirements for an appeal canbe obtained directly from the Tribunal at: Tel: (416) 212-6349, Fax: (416) 314-4506 orwww.ert.gov.on.ca This instrument is subject to Section 38 of the Environmental Bill of Rights, 1993, that allows residentsof Ontario to seek leave to appeal the decision on this instrument. Residents of Ontario may seekleave to appeal within 15 days from the date this decision is placed on the Environmental Registry. Byaccessing the Environmental Registry at www.ebr.gov.on.ca , you can determine when the leave toappeal period ends. The above noted activity is approved under s.20.3 of Part II.1 of the Environmental Protection Act.

DATED AT TORONTO this 11th day of March, 2014Ian Greason, P.Eng. Director appointed for the purposes of Part II.1 ofthe Environmental Protection Act

ST/ c: District Manager, MOE Toronto - District District Manager, MOE Hamilton District Office District Manager, MOE Sarnia District Office District Manager, MOE Halton-Peel District Office District Manager, MOE York Durham District Office District Manager, MOE Kingston District Office District Manager, MOE Ottawa District Office District Manager, MOE Peterborough District Office District Manager, MOE Sudbury District Office District Manager, MOE Thunder Bay District Office District Manager, MOE Timmins District Office District Manager, MOE Guelph District Office District Manager, MOE Niagara District Office District Manager, MOE Barrie District Office District Manager, MOE London District Office

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