waste management division region of waterloo copy
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September 9, 2014. ONEIA Excess Soil Session - Presentation Naz Ritchie, Region of WaterlooTRANSCRIPT
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Naz$Ritchie,$P.Eng.$$Waste$Management$Division$
ONEIA$Workshop:$September$9,$2014$
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! Background$$! Outcomes$of$the$Feasibility$Study$for$Soil,$Sediment$and$Materials$Management$$
! Outcomes$of$Beneficial$Reuse$of$Sediment$Testing$Program$for$VPL$
! Next$Steps$within$the$Waterloo$Region$
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! Goal:$Divert$materials$from$landfills$! Identify$Sustainable$Approaches$for$managing$soil$and$other$materials$(SWM$Sediment,$Construction$Waste,$and$Aggregates)$
! Partnership:$Region$and$City$of$Kitchener$
! Funding:$$MOE's$Showcasing$Water$Innovation$Grant$(SWIG)$
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! Undertook$following$studies/initiatives:$! Stakeholder$Forum$in$May$2012$(Bloom)$! Feasibility$Study$for$Sustainable$Management$(Golder)$Oct$2013$
! Sediment$Testing$–$Victoria$Park$(Stantec)$Jan$2014$! Studies$tied$into$existing$programs:$
! Waste$Management$Master$Plan$(2012$to$2013)$! Brownfields$Financial$Incentive$Program$! Management$of$Sediments$from$SWM$Facilities$
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! Steering$Committee$Meetings$(SWI$Grant):$$! Fall$2012,$July$2013,$Feb$2014$
! Consulted$with$various$branches$of$the$MOE$! Best$management$practice$guidelines$for$excess$soil$
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! Identify$other$management$of$excess$materials$! Assessed$feasibility$of$a$soil$&$materials$management$campus$
! Reviewed$regulatory$frameworks$! Estimated$soil$and$materials$to$be$generated$from$different$sources$within$the$Region$
! Identified$potential$receptors$/$sinks$within$the$Region$
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! Municipal$Construction$! Transportation$Infrastructure$
! SWM$Facility$Sediment:$$$Kitchener,$Cambridge,$&$Waterloo$
! Waterloo$Landfill$Future$Cell$Construction$
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Study&Recommenda.ons&! Known$Factors:$$
! Upcoming$Development$Projects$–$10$years$! High$Level$Estimated$Quantities$
! Unknown:$$! Timing:$Window$when$excess$material$is$available$or$fill$material$is$needed$–$usually$a$short$period$
! Environmental$Quality$of$Excess$Material$$! Geotechnical$Characteristics$of$Excess$Material$
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Study&Recommenda.ons&
! Establishing$a$soil$and$materials$campus$would$be$premature$
! Need$better$understanding$of$sources$! Creation$of$database$framework$–$predictive$planning$tool$
! Details$to$follow$in$"Next$Steps"$
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! 50,000$tonnes$sediment$! 45000$tonnes$subsoil$! Excavated$and$taken$to$the$Cambridge$LF$Site$! Identify$Beneficial$End$Use$of$SWM$Pond$Sediments$
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VICTORIA&PARK&
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! Goal:$Reduce$parameter$conc$$over$time$to$meet$inert$fill$standards$
! Metals,$PAHs,$PHC,$Inorganics$
! BOD,$COD$&$NOD$! TOC,$TKN,$Total$P,$K,$pH$! Three$test$approaches:$$
! Large$Stockpile$! Nutrient$Trial$! Compost$Amendment$
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! Different$Scenarios:$Smaller$stockpiles$
! Control$stockpile$! Added$urea$to$two$piles:$tarp$&$no$tarp$
! Impacts$of$heat$$$$retention$&$anoxic$environment:$tarp,$no$urea$$! Impacts$of$aeration:$Pile$spread$out$in$a$thinner$layer$
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! Add$sediment$(10%$and$20%$mix$by$weight)$
! Four$compost$piles$! Two$scenarios:$! Added$sediment$at$the$start$of$the$compost$process$to$two$piles$! Added$sediment$mixes$partway$through$the$compost$process$to$two$piles$
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Test Programs Large Stockpiles
Nutrient Testing
Compost Amendment
Goals$ Observe the behavior of parameters in large stockpiles with no treatment
Assess impacts of adding nitrogen, heat retention & anoxic conditions
Accelerate reduction of PAH and PHC concentrations by adding to compost
Length$ 2 years 1 year 6 months
Lab$Results$$Table$1$&$2$SC$
Reduction PAHs EC, boron, SAR were just above Table 2 SCS in one or more samples Variable results for PHCs
N was being used to support bacterial growth Thinner stockpile – most promising results
Reduction in PAH Samples met CCME & Ontario stds for metals Consulting with MOE re acceptable limits for PAHs and PHCs
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! Database$Framework:$$Start$using$as$a$planning$tool$for$proactively$managing$excess$material$
! Betaftesting:$$Provide$access$to$Region$and$Area$Municipalities$Staff$$
! Continue$dialogue$with$the$MOE(CC)$on$options$for$beneficial$sediment$end$uses$
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! Database:$Region$and$Area$Municipalities$! Sediment$data$collection$from$other$municipalities$! Identify$opportunities$and$timing$of$excess$materials$$
! Upload$environmental$&$physical$properties$f$as$PDF$or$enter$max$conc$into$a$table$$
! Meant$to$complement$the$Soiil$database$$
$
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List&of&Sites&
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! Summer$2014:$Kitchener$issued$a$RFP$for$collecting$sediment$samples$from$20$SWM$facilities$
! Scope:$Analysis$of$samples$to$help$identify$trends$! Determine$sediment$testing$protocol$$! City$consulted$with$the$MOE$to$identify$key$parameters$to$test.$$Continue$to$consult$throughout$this$project$
! Use$information$to$identify$options$for$beneficial$end$uses$
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Links&to&Reports&$
For$more$information$see:$$$1.$Stakeholder$Forum$Final$Report$(Bloom):$
http://www.regionofwaterloo.ca/en/aboutTheEnvironment/resources/WMMPFinalBloomForumReportOct2012.pdf$
2.$Feasibility$Study$Final$Report$(Golder):$http://www.regionofwaterloo.ca/en/aboutTheEnvironment/resources/Soil_Management_Feasibility_Study_Report.pdf$
$3.$Sediment$Study$Final$Report$(Stantec):$Upon$Request$$4.$SWI$Case$Study$for$Victoria$Park$Lake$(Region$and$
Kitchener):$http://www.kitchener.ca/en/livinginkitchener/resources/VPL_SWI_Case_Study_English.pdf$
$Or$Contact:$Naz$Ritchie,$Environmental$Engineer,$
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