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Californi egional Water Quality CoftI Board y —� Central Valley Region w x Robert Schneider,Chair Linda S.Adams Arnold S'ecrrrnryor Sacramento plain Office I ScMnegger Enrironnremnl 11020 Sun Center Drive 4200.Rancho Cordova,Cali forma 95670-GIN Governor(ioverm�ernor Prorecrion Phone(916)464-3291 •FAX 1916)464-4645 2Q06 AUG hitp://wwiv.waterboards.ca.gov/centralvalley UV l l P11 12: 24 SAN JOAUUIN COUNTY 8 August 2006 HEALTH DEPARTMENT Mr. Mike Pitta Kinder Morgan Energy Partners, L.P. 1100 Town & Country Road Orange, CA 92868 REVIEW OF REMEDIAL ACTIVITIES WORK PLAN, MANIFOLD AREA BACK PRESSURE VALVE RELEASE, SFPP, L.P. STOCKTON TERMINAL, 2947 NAVY DRIVE, STOCKTO d, SAN JOAQUIN COUNTY Staff of the Regional Water Quality Control Board - Central Valley Region (Regional Water Board) has reviewed the 25 July 2006 Work Plan for Product Recovery, Soil Excavation and Soil Confirmation Sampling Activities Associated with the Manifold Area Back Pressure Valve Release (Work Plan) submitted by LFR, Inc. (LFR) on behalf of SFPP, L.P., operating partnership of Kinder Morgan Energy Partners (KMEP) for the facility at 2947 Navy Drive in Stockton (site). The Work Plan describes the 24 July 2006 fuel release from a back pressure valve in the manifold area, associated response activities to recover discharged fuel and cleanup affected soil, and proposed confirmation soil sampling activities. The analytical data from the confirmation sampling will be used to evaluate the effectiveness of the cleanup efforts and determine if further investigation or remediation activities are warranted. Personnel from the San Joaquin County Environmental Health Department are field monitoring the cleanup activities. On 24 July 2006, a mixture of gasoline and diesel fuel (transmix) was released to the ground surface from an aboveground back pressure valve in the manifold area of the site. The valve was isolated and shutdown by the SFPP terminal operator upon discovery of the release. SFPP hired personnel to recover discharged fuel and remove affected surface gravel and soil. The fuel apparently collected on the valve containment pad and spread across the ground surface over an irregular area approximately 20 to 30 feet wide in the manifold area and 8 feet by 30 feet along the southeastern concrete firewall. The fuel release volume is unknown, however, approximately 84 gallons of fuel was recovered from the containment pad and 20 to 25 gallons was recovered from a catch basin northeast of the pad. Recovered product was pumped into the site oil-water separator. Absorbent pads used to soak up fuel in the containment pad were placed in 55-gallon drums pending offsite disposal. Remedial soil excavation will be manually performed until visual fuel staining is no longer apparent. Additional product will be recovered from small sumps and ditches hand-dug in the release area. Some residual soil contamination is anticipated beneath the containment pad housing the valve assembly, however, excavation beneath the pad will not be performed to California Environmental Protection Agency 0 Recycled Poper