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Petroleum Program Update
Former Naval Air Station Moffett Field


           November 13, 2008
               RAB Meeting
...
Overview



• Background

• Closures

• Current Projects

• Upcoming Projects

• Summary


                          2
Background




• Navy removed tanks

• Water Board lead agency

• Environmental Screening Levels (ESLs)
   – Screening for...
Closure or NFA




• Closure for petroleum underground storage tanks (USTs)

• “No Further Action” (NFA) for petroleum abo...
Additional Fuel System Components at
             Building 29




                  5
Additional Fuel System Components at
                      Building 29
•   No Further Action letter 5/27/08

•   Final ‘Ad...
USTs 121 & 122



•   USTs 121 & 122 closure letter 9/2/08

•   UST 121 – 250 gal., diesel, removed 1987

•   UST 122 – 50...
ASTs 100, 101, 129, 132 and 133

•   NFA letter former ASTs 100, 101, 129, 132, and 133 dated 9/9/08

•   “Phase III Basew...
AST 52

• Former AST 52 NFA letter 10/28/08

• “Phase III Basewide Tank Closure Report, No Further
  Action”

• Removed 19...
ASTs 103 and 104

• ASTs 103 and 104 NFA 11/4/08

• “Phase III Basewide Tank Closure Report, No Further
  Action”

• AST 1...
Current Projects



• Former Aircraft Wash Rack

• Site 5 Channel Deposit

• Building 29 and Building 55 Pipelines

• Buil...
Former Aircraft Wash Rack

• Draft “Investigation Report for Former Aircraft Wash
  Rack” dated 10/10/08

• Former concret...
Site 5 Channel Deposit

• Draft “Site 5 Channel Deposit Investigation Report”
  dated 10/20/08

• Groundwater sampling of ...
Building 29 and Building 55 Pipelines




                  14
Building 29 and Building 55 Pipelines

•   Final “Investigation and Closure Report for Building 29 and
    Building 55 Pip...
Building 55 Sump



• Building 55 sump

• Sump installed during the Building 55 pipeline
  investigation in 2005

• Work P...
Building 55 Sump




        17
Site 14


• Final Work Plan February 2008
   – Site characterization

  – Installed 7 additional groundwater monitoring
  ...
Site 14




   19
Upcoming Projects

•   Petroleum site characterization/sampling:

•   Site 20 – soil and groundwater sampling

•   Former ...
Upcoming Projects

•   Site 5 ‘dry wells’ soil sampling

•   USTs 85 and 85A
     – Removed 1995
     – 1,000 gal., aviati...
Summary


• Moffett Field Petroleum Program

   – Background

   – Closures

   – Current Projects

   – Upcoming Projects...
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Moffett RAB: Petroleum Program Update, November 13, 2008

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Presentation by Wilson Doctor of the Navy.

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Transcript of "Moffett RAB: Petroleum Program Update, November 13, 2008"

  1. 1. Petroleum Program Update Former Naval Air Station Moffett Field November 13, 2008 RAB Meeting Wilson Doctor Navy Project Manager 1
  2. 2. Overview • Background • Closures • Current Projects • Upcoming Projects • Summary 2
  3. 3. Background • Navy removed tanks • Water Board lead agency • Environmental Screening Levels (ESLs) – Screening for Environmental Concerns at Sites with Contaminated Soil and Groundwater, California Regional Water Quality Control Board San Francisco Bay Region 3
  4. 4. Closure or NFA • Closure for petroleum underground storage tanks (USTs) • “No Further Action” (NFA) for petroleum above-ground storage tanks (ASTs), pipelines, etc. • Conditional upon additional information 4
  5. 5. Additional Fuel System Components at Building 29 5
  6. 6. Additional Fuel System Components at Building 29 • No Further Action letter 5/27/08 • Final ‘Additional Fuel System Components at Building 29 Completion Report and Request for Closure’ 6/26/08 • Two inactive pipelines associated with Building 29 – Metal; inactive since 1960s – 8-inch diameter, 3,640 feet long – 3-inch diameter, 4,880 feet long • Soil sampling every 50 feet • Sampling results were below action levels • Fieldwork completed in NOV 2007 6
  7. 7. USTs 121 & 122 • USTs 121 & 122 closure letter 9/2/08 • UST 121 – 250 gal., diesel, removed 1987 • UST 122 – 500 gal., gasoline, removed 1987 • Soil and groundwater sampling results presented low risk 7
  8. 8. ASTs 100, 101, 129, 132 and 133 • NFA letter former ASTs 100, 101, 129, 132, and 133 dated 9/9/08 • “Phase III Basewide Tank Closure Report, No Further Action” • Soil and groundwater sampling results below ESLs • AST 100 – 200 gal., removed 1992, diesel • AST 101 – 200 gal., removed unknown, diesel • AST 129 – 18 gal., removed 1994, diesel • AST 132 & 133 – removed 1994, 125 gal. each, hydraulic fluid 8
  9. 9. AST 52 • Former AST 52 NFA letter 10/28/08 • “Phase III Basewide Tank Closure Report, No Further Action” • Removed 1950s • 25,000 gal., lubricating oil • Soil sampling results below action levels • Petroleum in groundwater not detected 9
  10. 10. ASTs 103 and 104 • ASTs 103 and 104 NFA 11/4/08 • “Phase III Basewide Tank Closure Report, No Further Action” • AST 103, removed 1994, 350 gal., diesel – No evidence of leak • AST 104, removed 1994, 190 gal., diesel – Leak not visible – Soil samples below ESLs – Petroleum constituents not detected in groundwater 10
  11. 11. Current Projects • Former Aircraft Wash Rack • Site 5 Channel Deposit • Building 29 and Building 55 Pipelines • Building 55 Sump • Site 14 11
  12. 12. Former Aircraft Wash Rack • Draft “Investigation Report for Former Aircraft Wash Rack” dated 10/10/08 • Former concrete pad with drain for washing aircraft • Soil and groundwater sampling • Recommend NFA; sampling results show low risk • Next step: Resolve comments 12
  13. 13. Site 5 Channel Deposit • Draft “Site 5 Channel Deposit Investigation Report” dated 10/20/08 • Groundwater sampling of sand channel deposit • Site 5 tanks formerly used to store fuel • Recommend no further action for groundwater in channel deposit; low risk 13
  14. 14. Building 29 and Building 55 Pipelines 14
  15. 15. Building 29 and Building 55 Pipelines • Final “Investigation and Closure Report for Building 29 and Building 55 Pipelines” dated 11/5/08 • Soil sampling along inactive pipelines • Building 29 pipelines – Aviation gasoline – Inactive since 1950s – 900 ft, 2-inch and 3-inch diameter, metal • Building 55 pipeline – Boiler fuel – Inactive since at least 1994 – 1400 ft, 3-inch diameter, metal • Recommend closure 15
  16. 16. Building 55 Sump • Building 55 sump • Sump installed during the Building 55 pipeline investigation in 2005 • Work Plan FEB 2008 – Removed sump, soil sampling, and groundwater monitoring • Preparing draft report 16
  17. 17. Building 55 Sump 17
  18. 18. Site 14 • Final Work Plan February 2008 – Site characterization – Installed 7 additional groundwater monitoring wells – Four quarters groundwater sampling • New wells and 9 existing wells • Complete monitoring and evaluate data 18
  19. 19. Site 14 19
  20. 20. Upcoming Projects • Petroleum site characterization/sampling: • Site 20 – soil and groundwater sampling • Former Navy Exchange gas station – soil sampling • ASTs 94, 95, 118 – Removed/left in place early 90’s – 500 to 1,000 gal., gasoline – Soil and groundwater sampling • AST 102 soil sampling – Removed 1994, 55 gal., diesel – Soil sampling 20
  21. 21. Upcoming Projects • Site 5 ‘dry wells’ soil sampling • USTs 85 and 85A – Removed 1995 – 1,000 gal., aviation gasoline – Groundwater sampling • Tank 25A – Removed 1994, oil-water separator – Clarify site description • UST 58 – Removed 1994 – 300 gal., oily water – Soil and groundwater sampling 21
  22. 22. Summary • Moffett Field Petroleum Program – Background – Closures – Current Projects – Upcoming Projects 22
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