Minutes & Attachments - Marine Corps Base Camp Pendleton

I. Background InformationFormer UST Sites 5/8/9/17• UST 5: 1,500 gal UST for diesel/heating• UST 8: 200 gal UST for diesel/heating• UST 9: 650 gal UST for waste oil• UST 17 (pipeline connecting USTs 5 & 8)Principal Contaminants• TPH, TCE, daughter products• Historical free-product TPH (shallow aquifer)• Dilute plume in deep aquiferInterim Actions Completed• Free product removal• SVE/product extraction pilot test (2001)• Bioremediation pilot test (2009)5 NAS North Island Operable Unit 20 January 17, 2013I. Background InformationFormer UST Sites 6/7• UST 6: 350 gal UST for oily waste• UST 7: 500 gal UST for oily waste• Wash RackPrincipal Contaminants• TPH, TCE, Benzene, 1,2-DCAInterim Actions Completed• Free product removal6 NAS North Island Operable Unit 20 January 17, 2013