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Purpose IThis report presents the results of the remediation of diesel contaminated soil at 32 Tokay Street, Warehouse 6 (APN 047-030-20,-18,-06) Unauthorized Release Lodi California (Appendix C) The services were performed for Pacific Coast Producers, 631 North Cluff ' Avenue, Lodi, California, the current Property owner Contact Mr Ron Myers at (209) 367-8800 ' The purpose of this project was remediation of contaminated soil from an unauthorized release of diesel fuel noted at an abandonment of an underground storage tank Early work was ' performed by Suda Inc , and Kleinfelder Corporation Recent work is being performed by Dufour Environmental There is minimal documentation of previous work done on this site, what is available is summarized and referenced in the following section ' Backgrround Events A 10,000 gallon underground storage tank was removed on March 26, 1987 Soil contamination was noted during the removal by Laurie Cotulla of the San Joaquin Local Health District Under direction, soil samples were taken and sent to a state certified ' laboratory for analyses The analyses performed were EPA method 8015, (Total Petroleum Hydrocarbons for Diesel, Method 3550/GC-FID), and EPA method 8020, (Benzene, Toluene, Xylene, and Ethylbenzene, Method GC-FID) An " Unauthorized Release/ Contamination Site Report" was issued by David Carls of the San Joaquin Local Health District on May 18, 1988 The UST has been referred to as either "Tank B" or Tank 4" in previous reports Both ' describe the same Location and underground Storage Tank Contaminated soil was excavated and stockpiled pending further action Summer harvest season required heavy access across this site For that reason the excavation pit was backfilled and paved over This is documented by notes taken form Brad Ober of PCP in Lodi, dated 11 May 1987 as authorized by Laurie Cotulla of the San Joaquin Local Health ' District (Appendix C) The excavation pit was filled with a blend of stockpiled soil and clean fill, and was compacted to OSHA Specifications. Later, Pacific Coast Producers approached Dufour Environmental about closure of this case The past events were reviewed, several members of Pacific Coast Producers were interviewed, and the decision to conduct a soil sampling and analysis tFurther soil analysis was necessary to evaluate the condition of the excavation site and the surrounding soils Hand auger borings were made approximately five (5) feet perpendicular of ' the former position of Tank B extending in north, south, east, and west directions and through; its renter. Soil samples were talon At five (5), ten (10), fifteen (15), and twenty (20) foot depths for each boring Sample collection and transportation was made in accordance with ' Appendix C of the Luft Manual, (Appendix A) Soil Samples were transported to the same State certified laboratory used previously to maintain a comparable level of QA/QC Soil samples DUFOUR ENVIRONMENTAL AND RESOURCE MANAGEMENT PCP LODI CANNING UST CLOSURE GSA 3/PCP LODI SAM 10 JULY 1991 ' 1