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in KLEINFELDER 2 1 1 Petroleum Hydrocarbon Contamination from the Above Ground Diesel Storage Tanks at I1145 W Charter Way The two AGSTs located at 1145 W Charter Way predate the tenancy of ITC, and presumably were used by Mr Miles and/or his tenants preceding ITC to service trucks and equipment that were part of their trucking operations ITC does not know the past spill history for these tanks ITC has utilized the AGSTs since occupying the property in 1987 for its own trucking operations In May 1995, approximately 2,000 gallons of diesel fuel were discharged as a surface spill from a fuel dispenser for one of the two AGSTs The discharge was reported to the SJCEHD The fuel spill was located along the western side of the secondary containment wall for the AGST and covered a portion of the northeast area of the property At the request of ITC, Dillard Environmental excavated approximately 500 cubic yards of contaminated soil The soil was transported to Forward Landfill for disposal Verification samples were collected by ITC (Carrie Fisher, Enc Horton) All but one sample showed non-detectable results for diesel fuel The area where the one sample containing diesel was collected was excavated and resampled No petroleum hydrocarbon concentrations (diesel) were reported for the sample taken during resarnpling The SJCEHD (Linda Turkette) was present during both the initial sampling and the resampling Following resampling and disposal of soil from the excavated area, the SJCEHD closed the case on the spill 2 1 2 Petroleum Hydrocarbon Contamination at 1145 W Charter Way Not Related to the Above Ground Diesel Storage Tanks In 1992, ITC commenced an investigation of heavy petroleum hydrocarbon contamination that it ' discovered near the western boundary of the property Based on the results of ITC's investigations, past operators of the property undoubtedly contributed to the petroleum hydrocarbon contamination problems on the property ITC engaged in a clean-up of heavy petroleum hydrocarbon contaminated soil and buried waste oil/septic tanks during 1993 On August 3, 1994, ITC and the property owner, Mr Miles, met with the RWQCB to discuss responsibility for any remaining investigations and clean-up work to be done on the property ' related to the heavy petroleum hydrocarbon contamination During the meeting, it became apparent that buried diesel and waste oil tanks were still located on the property that had been used previously by the owner, Mr Miles, or his tenants who preceded ITC 23-482276-AOO/TR950096 Page 4 of 12 October 19, 1995 Copyright 1995 Klemfelder, Inc