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Interim Investigation Report June 21 1996 <br /> Chapin Brothers Automotive Stockton, California <br /> The results of the laboratory analyses (Table 1) indicate that detectable hydrocarbons in <br /> were present in soil samples analyzed from all of the borings Contaminant concentrations were <br /> highest 15 to 20 ft below grade <br /> ' TABLE 1 <br /> RESULTS OF SAMPLE ANALYSES <br /> SOIL SAMPLES FROM BORINGS <br /> CHAPIN BROTHERS AUTOMOTIVE <br /> STOCKTON, CALIFORNIA <br /> Boring Depth Ethyl- Total <br /> Number FBGS TPHg Benzene Toluene benzene Xylenes <br /> Boring LB1 <br /> ! LB 1-2 115 <1 0 <0 005 <0 005 <0 005 <0 005 <br /> 41 LB 1-3 165 <1 0 <0 005 <0 005 <0 005 <0 005 <br /> ' LB-1-4 21 5 <1 0 0.07 <0 005 <0 005 <0 005 <br /> Boring LB2 <br /> 1- LB 2-2 110 <1 0 <0 005 <0 005 <0 005 <0 005 <br /> �Y LB 2-3 160 110 006 0 9 0.4 1.2 <br /> LB-2-4 215 710 3 16 16 21 <br /> Baring LB3 <br /> LB 3-3 215 4.0 <0 005 0.007 <0 005 0 017 <br /> LB 3-4 260 63 <0 005 <0 005 <0 005 <0 005 <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> Results given in milligrams per kilogram (parts per million) <br /> ' < = Less than laboratory minimum detection limits <br /> Depth in feet below ground surface <br /> 530-001 - 3 - <br /> LUSH Gi=OSCiENCES <br />