Petroleum Program Update
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Petroleum Program Update

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Navy presentation to the Moffett Field Restoration Advisory Board on March 13, 2008, regarding the petroleum sites, including those near Hangar One and between Hangars Two and Three.

Navy presentation to the Moffett Field Restoration Advisory Board on March 13, 2008, regarding the petroleum sites, including those near Hangar One and between Hangars Two and Three.

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Petroleum Program Update Petroleum Program Update Presentation Transcript

  • Former NAS Moffett Field BRAC PMO WEST Petroleum Program Update Wilson Doctor Navy Project Manager March 13, 2008 RAB Meeting
  • Presentation Overview BRAC PMO WEST • Background • Petroleum projects – Buildings 29 & 55 pipelines – Additional Building 29 pipelines – Building 55 sump – Site 14 South 2
  • Background BRAC PMO WEST • 76 petroleum sites - closed to date • 54 petroleum sites - in progress 3
  • Building 29 & 55 Pipelines BRAC PMO WEST • Two inactive pipelines not previously investigated • Building 29 pipelines – Aviation gasoline – Near Hangar 1 – Inactive since 1950s – 900 ft, 2-inch and 3-inch diameter, metal • Building 55 pipeline – Boiler fuel – Near Hangars 2 & 3 – Inactive since at least 1994 – 1400 ft, 3-inch diameter, metal 4
  • Building 29 & 55 Pipelines BRAC PMO WEST • Collected soil samples along pipelines every 20 feet • Fieldwork completed • Draft report 5
  • Building 29 & 55 Pipelines BRAC PMO WEST 6
  • Additional Building 29 Pipelines BRAC PMO WEST • Background – 3-inch pipeline and 8-inch pipeline • 4,880 ft and 3,640 ft – Installed in 1930s and 1940s – Inactive since 1960s • Sampled soil every 50 feet • Fieldwork completed in November 2007 • Preparing draft report 7
  • Additional Building 29 Pipelines BRAC PMO WEST 8
  • Building 55 Sump BRAC PMO WEST • Sump installed during the Building 55 pipeline investigation in 2005 • 10-foot deep PVC pipe • Removed sump and collected soil samples February 2008 • Four quarters of groundwater monitoring • Prepare draft report 9
  • Building 55 Sump BRAC PMO WEST 10
  • Site 14 South Background BRAC PMO WEST • Fuel station • Site covers about 1 acre • Two 5,000-gal USTs (Tanks 19 & 20) – Removed in 1986 – Contained gasoline and diesel 11
  • Site 14 South Background BRAC PMO WEST 12
  • Site 14 South Background BRAC PMO WEST • Previous Investigations: – Initial soil and groundwater (GW) assessment began 1987 – Periodic GW monitoring mid-1990s – Site assessment activities 2003 13
  • Site 14 South Background BRAC PMO WEST • Previous investigations (continued): – Chemical oxidation January 2005 – Quarterly groundwater monitoring 2005 to 2006 • levels decreased initially • levels returned • Previous investigation findings: – No free product observed at the site – Stable contaminant plume 14
  • Site 14 South BRAC PMO WEST Current investigation: • Final Work Plan February 2008 – Additional site characterization – Install seven additional groundwater monitoring wells – Four quarters groundwater sampling • New wells and nine existing wells – Evaluate data – Potential tank testing 15
  • Site 14 South BRAC PMO WEST 16
  • Summary BRAC PMO WEST • Moffett petroleum program ongoing • 76 petroleum sites - closed to date • 54 petroleum sites - in progress 17
  • Questions? BRAC PMO WEST 18