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U 1.01 Underground Storage Tank Removal Report Page 3 320 W. CENTER STREET March 25, 2011 WKA No. 9041.01P A four-point composite soil samples was collected from each stockpile (S-1-STK and S-4-STK). Each stockpile soil sample was collected into brass sample tubes. Sample tubes were ` immediately sealed with TeflonTM sheets secured by tight-fitting plastic end-caps. Each sample tube was labeled to indicate a unique sample number, time and date collected, sample location and sampler's identification. Sample tubes were preserved in a chilled cooler pending submittal to an analytical laboratory with a completed chain-of-custody form. A discussion of the analytical methods and results is provided in Sections 3.0 and 4.0. 2.2 Backfill Atter sample collection, plastic sheeting was used to line the excavation and the soil from the City of Manteca's yard was loosely placed back in the pit as temporary backfill to address to weather and safety concerns. Following receipt of laboratory data and approval from Mr. Naidu the loose material was removed and the pit was backfilled and compacted. A letter documenting the compactive effort was separately submitted to the City of Manteca. 2.3 Waste Disposal Recovered petroleum product and reinstate pumped from the UST was collected and disposed off-site by Asbury Environmental, a licensed Hazardous Waste Transporter to DeMenno/Kerdoon in Compton California. The liquid waste manifest is included in Appendix B Johnson Petroleum Construction coordinated the loading, transportation, and off-site disposal/recycling of the removed USTs to West Coast Equipment of Turlock, California. The UST destruction certificate is included in Appendix B On March 17, 2011, soil in the two stockpiles consisting of the petroleum hydrocarbon impacted soil and the over burden from the UST excavation was loaded and transported for off-site disposal Under non-hazardous manifesting. Approximately 31 tons of soil was hauled to the Forward Class II Landfill in Manteca. California for disposal. DJB & E General Engineering, of Woodland. California, provided the soil loading and transportation. Soil disposal documentation is provided in Appendix B. 3.0 SAMPLE ANALYSIS ` The soil samples were submitted with chain-of-custody documentation to Kiff Analytical Laboratories (Kiff), of Davis, California, a State-Certified Laboratory. The soil samples were �`�