BEST MANAGEMENT PRACTICES PLAN FOR FUGITIVE DUST

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BEST MANAGEMENT PRACTICES PLAN FOR FUGITIVE DUST

Greenwood Aggregates Company Limited Violet Hill Pit > Town of Mono, ON

PreparedFor:GreenwoodAggregatesCompanyLimited

205467CountyRoad109Amaranth,OntarioL9W0V1

PreparedBy:TRINITYCONSULTANTSONTARIOINC.

885DonMillsRoad,Suite106Toronto,ONM3C1V9

416‐391‐2527

January2018

TrinityProject177201.0051

PreparedBy: ReviewedBy:

ChrisScullion,B.E.Sc.ManagingConsultant

KarinaEKenigsberg,M.Sc.,P.Eng.SeniorConsultant

Greenwood Aggregates Company Limited – Violet Hill Pit | Best Management Practices Plan for Fugitive Dust Trinity Consultants Ontario Inc. i

REVISIONRECORD

Date Revisions/Comments ReviewedBy: ApprovedBy:

June2016 DRAFTBMPPforFugitiveDust C.S./R.S. S.G

January2018 FINALBMPPforFugitiveDust C.S./K.K. S.G.

Greenwood Aggregates Company Limited – Violet Hill Pit | Best Management Practices Plan for Fugitive Dust Trinity Consultants Ontario Inc. ii

TABLE OF CONTENTS

TABLE OF CONTENTS  

1. INTRODUCTION 1 

2. SOURCES OF FUGITIVE DUST 2 2.1.OverviewofPitOperations....................................................................................................................................2 2.2.InventoryofFugitiveDustSources......................................................................................................................2 

3. MEASURES TO CONTROL OR MINIMIZE FUGITIVE DUST 3 3.1.PavedRoadsandEntranceWays..........................................................................................................................3 3.2.UnpavedRoads...........................................................................................................................................................3 3.3.WinderosionofExposedStockpiles...................................................................................................................4 3.4.AggregateCrushing,Screening&WashingPlants..........................................................................................4 3.5.TruckLoadingandTransportation.....................................................................................................................4 3.6.WindErosionofExposedFaces.............................................................................................................................4 

4. IMPLEMENTATION 5 4.1.Schedule.......................................................................................................................................................................5 4.2.ImplementationPlan................................................................................................................................................5 

5. INSPECTION AND MAINTENANCE 6 5.1.Maintenance................................................................................................................................................................6 5.2.IdentificationofProblems......................................................................................................................................6 

6. MONITORING AND RECORD KEEPING 7 

7. RESPONSE TO COMPLAINTS 8 

8. CONCLUSION 9 

Greenwood Aggregates Company Limited – Violet Hill Pit | Best Management Practices Plan for Fugitive Dust Trinity Consultants Ontario Inc. 1

1. INTRODUCTION

ThisBestManagementPracticesPlanforFugitiveDust(BMPP)hasbeenpreparedfortheGreenwoodAggregatesCompany Limited (Greenwood) proposed Violet Hill Pit (the Pit) to be located on Part Lots 30, 31 and 32,Concession 4 in the Township ofMono, County of Dufferin, Ontario. The BMPP is a detailed document thatidentifiesfugitivedustsourcesanddescribesmeasurestobeusedtocontroldustemissionstotheatmosphere.Theprimaryairemissionassociatedwithpitoperationsisanticipatedtobeparticulatematterreleasedintheformoffugitivedust.Sourcesoffugitivedustcanincludetrafficfromon‐sitehaulroutes,aggregateprocessing,recycling,andhandling,andnaturalreleasesoccurringfromexposedstockpilesandgravelfaces.Tolimitthetransferofdusttosurroundingproperties,theoperatormusttakeallreasonableactionstoensurethatfugitivedustemissionsareminimizedusingbestmanagementpracticesassociatedwiththeindustry.TheobjectivesofthisBMPParethereforeto:

ProvideanoverviewoftheoperationsatthePit; Identifypotentialsourcesoffugitiveemissions; Outlinemaintenanceandinspectionprocedures; Provideasummaryofcontrolmeasuresthatareorshallbeimplemented; Provideanimplementationscheduleforthecontrolmeasures Illustrate how on‐going compliance is ensured through the use of a monitoring and record keepingprogram;and

Detailtheemployeetrainingprogramforfugitivedustcontrolprocedures.Once implemented, the BMPP will serve to minimize dust emissions from the Pit, thereby minimizing oreliminatingimpacttonearbypropertiesandtolocalecology.The Site Foreman shall be responsible for ensuring that the control measures identified in this plan areimplemented.

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2. SOURCES OF FUGITIVE DUST

2.1. OVERVIEW OF PIT OPERATIONS

TheprimaryoperationsatthePitwillconsistofaggregateextraction,aggregatecrushing,aggregatescreeningand/orwashing,aggregatestockpilingandaggregateoff‐siteshipping.

2.1.1. Aggregate Extraction

Extraction can take place in the north and south Pits. Excavationwill occur by stripping the deposit with abulldozerandscrapersorhighhoe.Therewillbenoblastingordrillingonthesite.

2.1.2. Aggregate Processing and Recycling

Aggregateprocessingandrecyclingcanincludecrushing,screeningand/orwashingplants.Crushingplantscanconsistofprimaryandsecondarycrushersandscreeningplantscanconsistofprimaryandsecondaryscreeners.

2.1.3. Shipping

Afront‐endloaderloadshighwaytrucksforshipmentofaggregateoff‐site.TrucksareweighedatthescalehousebeforeleavingthePit.Thereisone(1)entrancetothePit,whichwillbelocatedoff3rdLineE.The500‐metre(m)section of the haul road from the entrance to the Pit will be paved and recycled asphalt will be laid on theremainderoftheinternalroute.

2.2. INVENTORY OF FUGITIVE DUST SOURCES

TheoperationswithinthePit,andtheassociatedpotentialsourcesoffugitiveemissions,consistofthefollowing:

Sitepreparation(i.e.topsoilstrippingandbermconstruction):o Loading/unloadingofaggregateso Trafficonunpavedroads

Aggregateextraction:o Loading/unloadingofaggregateso Trafficonunpavedroads

Crushing,ScreeningandWashingPlantso Loading/unloadingofaggregateso Trafficonunpavedroadso Conveyortransfers

Othergeneralsite‐widesourcesoffugitiveemissions:o Trafficonpavedandunpavedhaulroadsfromshippingandgeneralsiteactivitieso Winderosionofactiveandinactivestockpileso Loading/unloadingofaggregatesfromgeneralsiteactivities

Characterizationofdust:Chapter11oftheUSEPAAP‐42documentcharacterizesfugitivedustfromstonecrushingandaggregatehandlingasthree(3)formsofparticulatematter:PM,PM10andPM2.5.PMisrepresentativeoftotalsuspendedparticulatematter.PM10andPM2.5istherespirablefractionofparticulateandcanhaveanimpactonhumanhealth.

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3. MEASURES TO CONTROL OR MINIMIZE FUGITIVE DUST

3.1. PAVED ROADS AND ENTRANCE WAYS

Theinternalhaulrouteextendingfromthepublicroadtothescalesonthesitehavebeenpavedandrecycledasphaltwillbelaidontheremainderoftheinternalroute.RefertoAppendixAforlocationofhaulroutes.Thefollowingmeasuresshallbeusedtocontrolandminimizefugitivedustfromtheinternalpavedroads.

ThePitwillhaveone(1)pointofentry/exit,whichwillbepavedandwellmaintainedduringoperations.Theentry/exitpointisextending500meastof3rdLineE.

ThePitshallhavethecapabilitytospraywaterorotherapproveddustsuppressantsasdeemednecessarybytheSiteForemanonpavedsurfaceson‐site,aswellasroadsnearthesiteentranceasneeded.

Theactualapplicationrateshallvary,dependingonsurfacemoistureconditionsandtrafficlevels,andshallbe triggeredwhenever thescaleoperatoror SiteForemanobserves trailersproducinga trailingcloudofdustgreaterthan1/3ofatrailerlength.

HaulroutesshallbemaintainedduringPitoperations,toensurethatloosefinematerialonthehaulroutesurfaceisminimized.

To prevent spillage and air entrainment during transport of aggregates, the aggregate loads shall becoveredduringtransportontheinternalunpavedroads.

Anyspillageormaterialdepositedonthepavedroadsshallberemovedpromptly. Regularsweepingofthepavedroadswillbeconductedasrequired,atthediscretionoftheSiteForeman,toensurethatvisibleloosefinematerialofthehaulroadsurfaceisminimized.

Trucksandothermobileequipmentshallreducespeedasnecessarilytoreducetrailingdustclouds.Themaximumspeedwillbe35km/hr.

3.2. UNPAVED ROADS

TheinternalhaulroutesattheSitebeyondthepavedrouteareunpaved.Thefollowingmeasuresshallbeusedtocontrolandminimizefugitivedustfromtheinternalunpavedroads:

Atruckortrailer‐mountedtankwillbelocatedonsiteatalltimesandshallbeequippedwithaspraybartodeliverwaterevenlyoverthehaulroutesurface.

AsthediscretionoftheSiteForeman,analternativeMOECC/US‐EPAapproveddustsuppressantmaybeusedshouldwaterproveinsufficienttocontroldustemissions.Environmentallyhazardouscompoundssuchaswasteoilshallnotbeusedasadustsuppressant.

Dustsuppressantsupply(wateroralternative)shallbeavailabletoallowthetankertrucktofillandapplythefullpayloadeachhour,ifnecessary,duringdryconditions.

Theactualapplicationrateshallvary,dependingonsurfacemoistureconditionsandtrafficconditions,andshallbetriggeredwhenevertheSiteForemanorscaleoperatorobservestrucksproducingatrailingcloudofdustgreaterthan1/3ofatrailerlength.

Haulroutesshallbemaintained(i.e.re‐graded)approximatelymonthlyduringMaytoOctober,toensurethatloosefinematerialonthehaulroutesurfaceisminimized.

Trucksandothermobileequipmentshallreducespeedasnecessarilytoreducetrailingdustclouds.Themaximumspeedwillbe35km/hr.

Theinternalroadsshallbeclearlydelineatedtolimittraffictotheestablishedhaulroadsthathavebeenmaintained. Limiting the trucks away from unmaintained areas of the site is intended to minimizedisturbanceofunmaintainedareas.

Topreventspillageandairentrainmentduring transportofaggregates, the truckscarryingaggregateloadsshallbecoveredduringtransportonthepavedandunpavedroads.

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Disturbedareasofunpavedroadsshallbestabilizedtotheextentpossiblewithrollersorothersimilarequipment.

3.3. WIND EROSION OF EXPOSED STOCKPILES

Extractionshallbereducedorsuspendediftheconditionoftheactiveextractionfaceisdryanddustyandthewindisdirectedtowardaresidenceataspeedsufficienttocausewidespreadvisibleerosionoftheopenface.

Watershallbeappliedtostockpilematerialthataredryanddustywhenthewindisdirectedtowardaresidenceataspeedsufficienttocausewidespreadvisibleemissions.

Stockpilesshallbemaintainedtoavoidsteepsidesorfaces. Disturbanceofstoragepilesshallbeminimizedwherefeasible.Foractivestockpiles,thedisturbedareashallbeminimizedtotheextentpossible.

3.4. AGGREGATE CRUSHING, SCREENING & WASHING PLANTS

WheretheSiteForemandeemsnecessary,theprocessingplantsshallbeequippedwithawaterspraysystem. The actualwater application rate shall vary, being adjusted as needed to reduce visible dustemission.

Waterforthespraysystemwillbeprovidedfromthesumporsettlingpond. The spray‐barswill be triggeredwhenever the Site Foreman or scale operator observes visible dustemissions.

Wherepossible, theheightof liftsanddischargedistancesto thetopof thestockpilewillbekept toaminimum.

Conveyor drop heights shall be minimized to the extent possible to reduce spillage and providewindbreak.

Conveyorbeltsshallbecleanedperiodicallytoremoveentrainedmaterial.

3.5. TRUCK LOADING AND TRANSPORTATION

TruckloadingwillbesuspendediftheSiteForemanorscaleoperatorobservesthematerialtobedryanddustyandthewindissufficienttocausewide‐spreadvisibleemissionswithplumesdirectedtowerstheresidences.Thehighestpointofthematerialloadedintoatruckshallnotexceedthevehiclestraywallsunlessitiscovered.

3.6. WIND EROSION OF EXPOSED FACES

Extractionshallbesuspendediftheconditionoftheextractionfaceisdryanddustyandthewindissufficienttocausewide‐spreadvisibleerosionoftheopenfacewithplumesdirectedoff‐site.AggregatestockpileswillbelocatedonthePitfloorincloseproximitytotheextractionfaceorinthestockpilearea.Windforecastsshallbemonitoredregularlyforheavywindsduringthisphaseoftheoperationtoanticipatetheneedforthesemeasuresandallowfornextdayplanning.

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4. IMPLEMENTATION

4.1. SCHEDULE

AllcontrolmeasuresaretobeinplacepriortoextractioncommencinginthePit.ControlmeasuresshallremaininplacesolongasthePitremainsinoperation.

4.2. IMPLEMENTATION PLAN

ThefollowingoutlineshowtheBMPPshallbeimplemented,includingtrainingoffacilitypersonnel:

TheBMPPshallbekeptonfileatthescalehouse; Trainingonnewandexistingoperatingproceduresshallbeprovidedtorelevantstaff; Refreshertrainingshallbeprovidedataminimumofonceevery2years; ThePitmanagementshallcommunicatetheBMPPtoresponsiblesupervisors,whoshallensurestaffarefollowingoperatingproceduresdefinedintheBMPP;

TheSiteForemanshallberesponsibleforensuringtheBMPPisfollowed; ManagementshallensureBMPPisreviewedannually;and ThestaffshallfollowtheBMPPprocedures.

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5. INSPECTION AND MAINTENANCE

5.1. MAINTENANCE

Thefollowingoutlinesthedetailsregardingtheinspectionandmaintenanceproceduresthatshallbeemployedatthesite:

Thewaterspraysystemfortheprocessingplantwillbeinspectedwheninuse; HaulroutesshallbemaintainedonaregularbasisaspreviouslyindicatedinSection3.1and3.2;and, Haulroutesshallbeinspecteddaily,ormoreregularlyasdictatedbywindconditionsandtrucktraffic.Thehaulroutesshallbemaintainedonaregularbasis,aspreviouslyindicated,basedontheinspection,thewindconditionsandthetrucktraffic.

Priortotheoperationoftheprocessingplants,thewaterspraysystemsshouldbeinspected,andpondwaterlevelsshallinspectedtoensureadequatewatersupply;

5.2. IDENTIFICATION OF PROBLEMS

TheSiteOperator shallbe informedofany issues thatarise from inspectionsperformed. Operationsmaybecurtailedifdustcontrolequipmentisnotadequatelyperforming.

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6. MONITORING AND RECORD KEEPING

Visual inspection for dusty conditions in areas of emission sources identified in the BMPP shall occur at aminimumoftwicedailyduringdryweatherandonceperdayotherwise.Recordsshallbemadeeachtimethefollowingeventsoccur:

Dustsuppressantisappliedtopavedandunpavedhaulroutes; Unpavedhaulroutesaremaintained; Waterspraysareusedattheprocessingplant; Wetorvacuum‐sweeperarrivesandcleanspavedsurfaces; Heavydustplumesareobserved;and, Acomplaintisreceived.

Allrecordswillbekeptonsiteinalogbook.AsampleComplaintRecordReportlogformcanbefoundinAppendixB.

Intheeventofadustcomplain,thecomplaintwillbedirectedtotheSiteSupervisor,whowillfollowtheprotocolsoutlinedintheGreenwoodComplaintsProceduresdocument,whichiskepton‐site.

ThePitwillenactanactionplanconcerningitsoperationsinresponsetoacomplaint,asdetailedinthefollowingsection.

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7. RESPONSE TO COMPLAINTS

Complainantsarerequestedtoidentifythelocationoftheincidentaswellasthetimeofdaythatitwasdetectedandanyotherrelevantinformation.AlldustcomplaintsshallbeforwardedtotheSiteForemanandrecordedinthelogbookasidentifiedintheprevioussection.

TheSiteForemanshallensurethefollowingactions:

Conductasitesurveytoidentifysourcesofvisibledustcontributingtothecomplaint; Createarecordofthissurvey; Determineweatherconditions(bothcurrentandatthetimethatthecomplaintwasmade);and Reportonallon‐siteactivitiesatthetimethecomplaintwasmade.

IftheinformationcollectedfromthesurveyproceduresindicatesthatPitisnotthesourceofthedustcomplaint,thecomplainantshallbenotifiedofthisfinding.Documentationsupportingthisresponsemechanism(sitesurveyrecordandwindstationreadingsatthetimeofthecomplaint)shallbeprovidedtothecomplainantuponrequest.The Site Foreman or other Pit staff shall respond to all complaintswithin 24 hourswith a phone call to thecomplainant.

If it is determined that the complaint is related to Pit activities, the following response procedures shall befollowed,intheorderprovidedbelow:

Level1–InspectionandCorrectionofOperations

The Site Foreman shall ensure that all elements of the BMPP are being followed. Control measures such assprayingorwateringshallbeincreasedoroperationsmaybecurtailed,asrequired.

Level2–ReviewoftheBMPP

IftheLevel1responsedoesnotadequatelyresolvethesourceofthedustcomplaint,theBMPPshallbereviewedforadditionalcontrolmeasures.

Level3–Operationalmodifications

If theLevel2 responsedoesnot adequately resolve the sourceof thedust complaint, thePit shall commit tomakingphysicalchangestothefacilitytoaddressthesourceofthedustemissions.Suchchangesmayinclude,butarenotlimitedtoadditionalenclosures,relocationofequipment,oradditionalpaving.

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8. CONCLUSION

This document presents a Best Management Practices Plan (BMPP) to control and minimize fugitive dustemissionsfromthePitoperations. ThePitwillimplementandabidebythesemeasurescontainedintheplan.Record keeping, inspections and oversight will ensure an effective dust mitigation program throughout thelifespanofoperationsatthePit.

TheBMPPwillservetominimizealldustemissionsfromthePit,sothattherisktohumanhealthandthepotentialforoffsitenuisanceisalsominimized.

ThisBMPPwillbekepton‐siteatalltimesinthescalehouseforreference.

Greenwood Aggregates Company Limited – Violet Hill Pit | Best Management Practices Plan for Fugitive Dust Trinity Consultants Ontario Inc. A

APPENDIX A: SITE PLAN

Greenwood Aggregates Company Limited – Violet Hill Pit | Best Management Practices Plan for Fugitive Dust Trinity Consultants Ontario Inc. B

APPENDIX B: COMPLAINT RECORD REPORT LOG

GENERAL INFORMATION - COMPLAINTANT

Source of Complaint: Residential or Other:

Name: Mr. Mrs. Ms.

Telephone No.: ( ) (home/cell) ( ) (work)

Email Address:

Home/Business Address:

City: Postal Code:

Other Comments:

COMPLAINT INFORMAION

Date (Month/Day/Year) : / / Time: From: AM / PM

To: AM / PM

Complaint Type: Dust Noise Other :

Address or Nearest Cross Street of Observed Incident:

Description:

WEATHER CONDITIONS DURING TIME OF COMPLAINT

Wind Direction: (Blowing From)

Wind Speed: Calm Moderate Strong

Cloud Cover: Clear Partly Cloudy Overcast

Condition: Clear Fog Precipitation

Temperature: °C or Humid Dry

OPERATIONS DURING TIME OF COMPLAINT

Description of Operations (production activity & recorded events during/before complaint period) :

MITIGATION EFFORTS & COMPLAINT RESPONSE

Date of Response (Month/Day/Year) : / /

Response Summary : Attached Copy of Written Response

Corrective Action Taken :

REPORT PREPARATION

Report Prepared by:

Contact: Phone ( ) Email

Date (Month/Day/Year): / /

COMPLAINT RECORD REPORT

Violet Hill Pit, Town of Mono

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