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47, <br /> d�- <br /> _ American savings Bank - OBS <br /> '<uR June 25, 1993 <br /> Page -4- <br /> 3.0 LABORATORY ANALYSES <br /> The soil samples were analyzed for benzene, toluene, ethyl <br /> benzene, and total xylene (BTEX) by EPA Method 8020, and for <br /> total petroleum hydrocarbons, quantified as gasoline (TPH-G) by <br /> Method 5030/LUFT. The laboratory results are presented below in <br /> Table 3 . Laboratory report sheets indicating analytical methods <br /> used, detection limits, and the results of the analyses are <br /> presented in Appendix B. <br /> b <br /> t TABLE 3 <br /> Soil Sample Laboratory Results <br /> "y B T E X TPH-G <br /> Detection 5.0 5.0 5.0 5.0 2.5 <br /> Sample Limits: g/kg p /k /k /k /k <br /> 679-TK1-N-15.5 ND ND ND ND ND <br /> 679-TK1-S-16 ND 770 _ .� «:, ND <br /> 679-SP-W# ND <br /> 679-SP-E# ND 100j""'"""4"'• J <br /> .� 679-SP-A ND ND ND ND ND <br /> 679-SP-B ND ND ND ND ND <br /> 679-SP-C ND ND ND ND ND <br /> 679-SP-D ND ND ND ND N:D:]l <br /> Unit conversions: <br /> yg/kg:parts per billion (ppb) 3,T,E,X - benzene, toluene, ethyl benzene, and xylene. <br /> mg/kg:parts per million (ppm) TP&_p - total petroleum hydrocarbons, quantified as gasoline. <br /> MD a none detected at or above laboratory detection limits. <br /> N laboratory detection limits raised due to gasoline <br /> interference. <br /> r <br /> 3.1 Tank Excavation <br /> The laboratory analyses reported BTEX concentrations ranging <br /> from "none detected" (benzene) to 49 jig/kg (xylene) in the soil <br /> i <br /> CONDOR <br /> 4 <br />