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A Y Page 3 After approval from the Fire Department, represented by inspector Kent Miller and the County of San Joaquin Environmental Health Division representative, Letitia Briggs to remove tank on November 13, 1998, said tank was removed from the site with the use of an 45 ton crane. Tank LEL levels were below 2% and Oxygen levels were below 5%. After examination of the exterior of tank,by Bowen Construction-Engineering technicians and representatives from the City of Stockton Fire Department and County of San Joaquin Environmental Health Division, it was noted that there were no apparent cracks, holes or other signs of breaches on the tank. Tank was transported off-site by KVS, a licensed hazardous waster hauler(US EPA No. CAD982495608) as non-RCRA Hazardous Waste Solid,under Uniform Hazardous Waste Manifest, Document Number 98454431, Stocton Terminal and Eastern Railroad was issued a 90 day, one time use, US EPA ID number CAC002104696 (See Appendix B) to Erickson, Incorporated, a California designated disposal, storage and treatment facility located on 255 Fulton Street, Richmond, California, (EPA No. CAD009466392). Subsequent tank pit and soil spoils sampling were conducted in accordance with the California Regional Water Quality Control Board "Regional Board Staff recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites", by a third party. Third party sampling was conducted by Gribi & Associates, senior geologist, James Gribi and was done under the direction of Letitia Briggs, the representative from the County of San Joaquin Environmental Health Division. Said soil sample locations were determined by the representative from the County of San Joaquin Environmental Health Division. Soil Sampling and Analysis A technician from Gribi &Associates and as directed by the County Inspector collected five soil samples from the project site. Two soil samples were collected from the bottom of the tank pit, at an estimated depth of 14', a sample at each end of the tank on the west and east end. Tank pit samples were logged as T-W.i(14') and T-E.1('1 4D. There was one discreet soil sample collected from a stock pile, logged as SP-2 and two samples logged as SP-1 A,1,1 A.2, SP-1 B,1,1 B.2 ( samples were two discreet samples, composited as one) from two separate soil piles. Due to Cal-OSHA safety regulations and the instability of the pit walls, the excavation soil samples were obtained with a backhoe (location of samples collected is given in Appendix Q.