FAIR Meeting April 6, 2006
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Transcript of FAIR Meeting April 6, 2006
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FAIR MeetingFAIR Meeting
April 6, 2006April 6, 2006
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Groundwater Results – Fall 2004
BenzeneND<5 ug/L5-99 ug/L100-999 ug/L>1,000 ug/LProduct
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Groundwater Results – Spring 2005
BenzeneND<5 ug/L5-99 ug/L100-999 ug/L>1,000 ug/LProduct
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Groundwater Results – Fall 2005
BenzeneND<5 ug/L5-99 ug/L100-999 ug/L>1,000 ug/LProduct
Shading indicates area potentially contaminated above DEC cleanup levels based on results of this sampling event.
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Groundwater Results – Fall 2004
GROND<1.3 mg/L1.3-9 mg/L10-99 mg/L>100 mg/LProduct
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Groundwater Results – Spring 2005
GROND<1.3 mg/L1.3-9 mg/L10-99 mg/L>100 mg/LProduct
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GROND<1.3 mg/L1.3-9 mg/L10-99 mg/L>100 mg/LProduct
Groundwater Results – Fall 2005
Shading indicates area potentially contaminated above DEC cleanup levels based on results of this sampling event.
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Groundwater Results – Fall 2004
DROND<1.5 mg/L1.5-9 mg/L10-99 mg/L>100 mg/LProduct
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Groundwater Results – Spring 2005
DROND<1.5 mg/L1.5-9 mg/L10-99 mg/L>100 mg/LProduct
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Groundwater Results – Fall 2005
DROND<1.5 mg/L1.5-9 mg/L10-99 mg/L>100 mg/LProduct
Shading indicates area potentially contaminated above DEC cleanup levels based on results of this sampling event.
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RROND<1.1 mg/L1.1-9 mg/L10-99 mg/L>100 mg/LProduct
Groundwater Results – Fall 2004
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RROND<1.1 mg/L1.1-9 mg/L10-99 mg/L>100 mg/LProduct
Groundwater Results – Spring 2005
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RROND<1.1 mg/L1.1-9 mg/L10-99 mg/L>100 mg/LProduct
Groundwater Results – Fall 2005
Shading indicates area potentially contaminated above DEC cleanup levels based on results of this sampling event.
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Coordinated Sampling PlanCoordinated Sampling Plan
Coordinating survey techniques and Coordinating survey techniques and frequencyfrequency
Possible change in date of spring Possible change in date of spring sampling eventsampling event
COCs – limited VOC list?COCs – limited VOC list?
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Current and Future Land Current and Future Land Use PlansUse Plans
Are commercial vs. residential cleanup Are commercial vs. residential cleanup levels appropriate for this area?levels appropriate for this area?
Can groundwater use restrictions be Can groundwater use restrictions be enforced as an institutional control?enforced as an institutional control?
Can future building construction be Can future building construction be restricted if there is a vapor intrusion restricted if there is a vapor intrusion threat?threat?
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Site-specific CSMsSite-specific CSMs
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Chevron CSMChevron CSM
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UNOCAL CSMUNOCAL CSM
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Van Gas CSMVan Gas CSM
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Areawide CSMAreawide CSM
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Potentially Complete Potentially Complete PathwaysPathways
Vapor Intrusion PathwayVapor Intrusion Pathway Outdoor Air Inhalation PathwayOutdoor Air Inhalation Pathway Incidental Ingestion and Dermal Incidental Ingestion and Dermal
Contact with Soil (surface and Contact with Soil (surface and subsurface)subsurface) Is the soil data representative?Is the soil data representative?
Groundwater (ingestion, inhalation of Groundwater (ingestion, inhalation of volatiles, and dermal contact pathways)volatiles, and dermal contact pathways) Is the well search complete? Is the well search complete? Protection of future receptorsProtection of future receptors
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Institutional Control Institutional Control DiscussionDiscussion
Proposed ObjectivesProtect workers and visitors from contact with contaminated soil and inhalation of vapors.Prevent workers from using contaminated groundwater.Prevent residential use of these properties.
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2007 Deliverables2007 Deliverables