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HEALTH AND SAFETY PLAN <br />' HYDRO-ENVIRONMENTAL TECHNOLOGIES, INC <br /> (Alameda, California office) <br />' Project Name. Central California Traction Company, Phase II Environmental Site Assessment <br /> Site Name: Central California Traction Company Date: May 24, 2000 <br /> Site Address: 1645 Cherokee Lane Project No.: 007-346 <br /> Stockton, CA 95205 <br /> Prepared By: Cynthia P Avaktan <br />' Client Name Central California Traction Company <br /> 2201 West Washington Street#12 <br />' Stockton, CA 95203-2942 <br /> Contact: Mr P E Copple <br />' Phone- (209) 466-6927 <br /> � x ] Original HSP <br /> ] Amendment to Existing HSP, Date Approved <br /> Directions to hospital are listed on Page 12 <br /> Scope of Work: Summarize below Attach sheet if necessary. <br />' The subject property is in Stockton,California north of the intersection of Cherokee Lane and Waterloo <br /> Road It is in T2N, R6W of the 1968 (revised 1987) Stockton West, California 7 5 rmnute (124,000) <br /> Quadrangle The property is approximately 21 feet above mean sea level (AMSL) <br />' The subject property is in an area of mixed light-industrial and commercial buildings, it is part of a <br /> property used to repair railroad engines by the CCT In January 1999,Thorpe Oil Company excavated <br />' and removed one 6,000-gallon gasoline underground storage tank (UST) and one 1,000-gallon diesel <br /> UST from the subject property One soil sample,collected from below the excavated diesel tank at 9 feet <br /> below surface grade (bsg), had 8,000 milligrams per kilogram (mg/kg) total petroleum hydrocarbons <br />' (TPH)as diesel,0 33 mg/kg toluene,0 740 mg/kg ethylbenzene,and 1,800 mg/kg total xylenes,benzene <br /> was below method detection limits <br />' In August 1999,URSGWC conducted a soil boring/ground water investigation Five borings were drilled <br /> using direct push (DP) and hollow stem auger The highest TPH as diesel concentrations (at 22,000 <br /> mg/kg) in soil were detected in samples collected from boring B-I at the 10-Foot depth interval <br /> However, TPH as diesel was detected to soil samples collected from the entire soil boring to ground <br /> water Concentrations ranged from 6,000 mg/kg (at 15-feet bsg) to 2,000 mg/kg (at 40-feet bsg) <br /> Ethylbenzene and total xylenes were also detected ranging to 0 011 mg/kg and 0 061 mg/kg,respectively <br /> at 10 feet bsg <br /> Page 1 of 27 <br />