fairview addition - contingency plan implementation case study
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Fairview Addition
Mining history has affected land use planning & incentives for redevelopment“Historical Use & Development” does not always lead to identification of releasesFairview Addition in Virginia is an example of using contingency plans as integral parts of the assessment/investigation process
Contingency Plan Implementation Case Study
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Many of the cities are located within or
adjacent to the ore body.
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City of Virginia - Population Trends
4000
6000
8000
10000
12000
14000
16000
1960 1970 1980 1990 2000 2005
Year
Pop
ulat
ion
Changes in mining and a down-turn in the industry starting in the 1980s has lead to:
Decreasing populationVery little investment in new housing or redevelopmentAn economy struggling to diversify
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To facilitate economic development, Virginia began a deliberate effort to acquire lands and make them available for commercial and residential development.
BUT………
These lands had a history.
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Important Points Regarding The Pre-Taconite History
Activities and infrastructure around the pit rim were distinct from those within the pit
Even land around the pit rim was highly disturbed
Infrastructure was transient If no record of a structure or activity was found does not mean it did not exist
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Potential Contaminants from Historical Mining Activities
Activity Potential Contaminants Coal Fired Boilers Metals/PAH
Headframes/Motor Houses DRO/VOC/Metals/PAH/PCB Electric
Generation/transformers/substations DRO/PCB/VOC
Railroad DRO/PCB/PAH/Metals Locomotive Service DRO/PCB/PAH/Metals/VOC
Heavy Equipment Service DRO/GRO/VOC/Pb Millwright/Fabrication Metals/VOC
Paint Shop Metals/VOC Electrical Shop PCB/VOC
Panel Yards Creosote/As/DBCP (?) Fueling Stations DRO/GRO/VOC
Wash Plants DRO/GRO/VOC/Metals/PCB
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Phase I on Fairview Begins1995
Phase I ESA included a typical historical search which discussed the proximity to the pit rim
The only historical uses which were located by the Phase I were employee gardens and a city plat with utility extensions
The REC were former RR corridor and unknown fill
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Phase IIThe Phase II consisted of 8 test pits and sampling for DRO/PAH/Metals
One fuel oil release was identified, approximately 20 yd3 soil was excavated and the City completed the purchase with their Phase I, Phase II and closure letter in hand.
A much different release was identified during the first day of grading and the City enrolled in the VIC Program.
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Highlights of the first VIC Work on Phase 2
About 800 Yd3 soil (DRO/TCB/DBCP) were excavatedA Certificate of Completion incorporated a CP which required sampling and analysis during
future gradingutility construction andeach building excavation
Historical “Data Gaps” were researchedVirginia Historical Society archivesIron World archivesMine inspector recordsOliver Mining (US Steel) archivesCity archivesOld Timer interviews
The REC were still the RR and fill
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Highlights of EPA Brownfield Pilot Assessment on Phase 3
The Phase II identified an Arsenic release and a fuel oil releaseA No Further Action incorporated a CP that required
Excavation of the releases during gradingSampling and analysis during grading, utility construction and each building excavation
Public meetings specifically sought historical use and development information from residentsThe only REC that were identified were
RR corridor andunknown fill
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Release Summary
DRO1002007Exc#6
DRO/GRO8002007Exc#5
As842007Exc#4
DRO/TCB/PCB
19402007Exc #3
DRO/TCB/DBCP/PCB
8001998Exc#2
DRO201995Exc #1
COCVolumeDateExc
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Fairview Addition
What we have learned about redeveloping old mine land:Historical use and development is important but may not lead to spots on the map for Phase II InvestigationCPs work but the developer and contractors must be fully involvedMust consider a large list of potential contaminants