EPA Update
Potential Source and
Groundwater Investigation
Area South of Highway 101

Former NAS Moffett Field
Restoration ...
2
Overview
• MEW Site Vapor
Intrusion Study area
(as known in 2012)

3
EPA Area of Interest

4
EPA 2005 Groundwater
Investigation Area

5
2007-2013
Investigation Areas

6
UEUoC1

EPA Groundwater Investigation Area
2005 & 2012

7
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/...
2012-2013 Groundwater
Investigation

8
High Priority Air Sampling Area
Jan 2013

9
Expanded Residential Indoor Air
Sampling Area – March 2013

10
EPA Investigation –
September 2013

11
Groundwater Investigation Area

2013 EPA grab groundwater location
2005-2012 grab groundwater location
TCE Hot Spot Area
Source type

Surface

Subsurface

14
EPA Sample Locations

15
EPA Contact Information
Alana Lee
EPA Project Manager - Vapor Intrusion & Potential Source Investigation
415.972.3141
Lee....
Additional Slides

17
2012 - 2013 Sampling Results and Proposed Pilot Test Locations

18
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EPA MEW Sampling Update, Moffett RAB, November 14, 2013

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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 MEW Sampling Update, Moffett RAB, November 14, 2013

  1. 1. EPA Update Potential Source and Groundwater Investigation Area South of Highway 101 Former NAS Moffett Field Restoration Advisory Board Meeting November 14, 2013
  2. 2. 2
  3. 3. Overview • MEW Site Vapor Intrusion Study area (as known in 2012) 3
  4. 4. EPA Area of Interest 4
  5. 5. EPA 2005 Groundwater Investigation Area 5
  6. 6. 2007-2013 Investigation Areas 6
  7. 7. UEUoC1 EPA Groundwater Investigation Area 2005 & 2012 7
  8. 8. 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
  9. 9. 2012-2013 Groundwater Investigation 8
  10. 10. High Priority Air Sampling Area Jan 2013 9
  11. 11. Expanded Residential Indoor Air Sampling Area – March 2013 10
  12. 12. EPA Investigation – September 2013 11
  13. 13. Groundwater Investigation Area 2013 EPA grab groundwater location 2005-2012 grab groundwater location
  14. 14. TCE Hot Spot Area
  15. 15. Source type Surface Subsurface 14
  16. 16. EPA Sample Locations 15
  17. 17. EPA Contact Information Alana Lee EPA Project Manager - Vapor Intrusion & Potential Source Investigation 415.972.3141 Lee.Alana@epa.gov Penny Reddy EPA Project Manager – Groundwater Cleanup 415.972.3108 Reddy.Penny@epa.gov Alejandro Diaz EPA Community Involvement Coordinator 415.972.3242 Diaz.Alejandro@epa.gov EPA Websites – For More Information www.epa.gov/region9/mew www.epa.gov/region9/moffettfield www.epa.gov/oswer/vaporintrusion 16
  18. 18. Additional Slides 17
  19. 19. 2012 - 2013 Sampling Results and Proposed Pilot Test Locations 18

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