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NOW" *40011 John P. Cummings & Associates Environmental Consultants Ph. (510) 505-0722 D P.O. Box 2847 Fax (510) 791-3306 O Fremont, CA 94536.2847 File No. 0294005. 00 J A iV 0 3 1995 March 8 . 1994 ENVIRONMENTAL HEALTH PERMIT/SERVICES Frederick Clark 352 Deer Hollow �0 � U Napa, CA 94558 RE: Environmental Status Stockpiled Soil Located at 1111 North Union St. Stockton, CA Dear Mr. Clark: John P. Cummings and Associates (JPCA) is pleased to report on environmental condition of the soil pile located at 1111 North Union Street, Stockton, CA. This soil was moved, with authorization of the San Joaquin County Department of Health Services from 625 South Commerce Street, Stockton, CA for the express purpose of aerating the soil to remove gasoline contamination. The soil was excavated during the removal of two Underground Storage Tanks (UST) from the South Commerce Street parcel. Analysis of the soil indicated low levels of Total Petroleum Hydrocarbons, as Gasoline (TPHG) an Benzene, o uene, Ethylbenzene and Xylene (BTEX) . Total Petroleum Hydrocarbons, as Diesel (TPHD) was not detected. The lead (Pb) concentration levels analyzed in these soil samples appear to be background. Prior to the movement of this soil, John P. Cummings of JPCA collected nine discreet soil samples from the soil piled at the 729 S. Commerce Street site, on August 10, 1993 . These nine soil samples were composited in a state certified laboratory and analyzed for CAM 17 Metals. A fish bio assay was performed on these composited soil samples also. On February 22, 1994, after six months of aeration, remediation of the soil was complete. John P. Cummings of JPCA took eight discreet samples from the stockpile and composited these samples into two samples for chemical analysis for Total Petroleum Hydrocarbons, as Gasoline (TPHG) and Benzene, Toluene, Ethylbenzene and Xylene (BTEX) . The results of both these sampling events are included in this report. 1 pc;T 2 5 l gc