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EPA update to the Moffett Restoration Advisory Board November 14, 2013, describing the investigation of TCE hotspots near Evandale Avenue, Leong Drive, and the Gateway Property (former County Vector Control Yard) adjacent to the MEW Superfund site in Mountain View, CA.
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EPA UpdatePotential Source and
Groundwater Investigation
Area South of Highway 101
Former NAS Moffett FieldRestoration Advisory Board Meeting
November 14, 2013
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Overview
• MEW Site Vapor
Intrusion Study area(as known in 2012)
EPA Area of Interest
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EPA 2005 GroundwaterInvestigation Area
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2007-2013Investigation Areas
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EPA Groundwater Investigation Area2005 & 2012
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UEUoC1
Slide 7
UEUoC1 Does this slide need 2 dots or just one? Perhaps I have the wrong dot.U.S. EPA User or Contractor, 11/14/2013
2012-2013 GroundwaterInvestigation
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High Priority Air Sampling AreaJan 2013
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Expanded Residential Indoor AirSampling Area – March 2013
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EPA Investigation –September 2013
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2013 EPA grab groundwater location2005-2012 grab groundwater location
Groundwater Investigation Area
TCE Hot Spot Area
Source type
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Surface Subsurface
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EPA Sample Locations
EPA Contact Information
Alana Lee
EPA Project Manager - Vapor Intrusion & Potential Source Investigation
415.972.3141
Penny Reddy
EPA Project Manager – Groundwater Cleanup
415.972.3108
Alejandro Diaz
EPA Community InvolvementCoordinator
415.972.3242
EPA Websites –For More Informationwww.epa.gov/region9/mewwww.epa.gov/region9/moffettfieldwww.epa.gov/oswer/vaporintrusion
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Additional Slides
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2012 - 2013 Sampling Results and Proposed Pilot Test Locations
