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07 October 2002 <br /> AGE-NC Project No. 02-0948 <br /> Page 3 of 4 <br /> ANALYTICAL METHODS <br /> Ten selected soil samples were transported under chain-of-custody to Cal Tech Environmental <br /> Laboratories(CTEL), a California Department of Health Services-certified laboratory, for analysis <br /> for: <br /> • Total petroleum hydrocarbons as gasoline(TPH-g)in accordance with EPA Method 8015M <br /> (former gasoline UST and dispenser samples); <br /> • Total petroleum hydrocarbons as hydraulic oil (TPH-ho) in accordance with EPA Method <br /> 8015M (hydraulic lift samples); <br /> • Total petroleum hydrocarbons as diesel and motor oil(TPH-d and TPH-mo)in accordance <br /> with EPA Method 8015M (former waste oil UST sample); <br /> • BTEX and MTBE in accordance with EPA Method 8021 (all samples); and <br /> • Volatile organic compounds by EPA Method 8260 (former USTs, dispenser and existing <br /> clarifier samples). <br /> FINDINGS <br /> Field observations did not detect the presence of volatile organic compounds (utilizing the OVM) <br /> above background levels or petroleum hydrocarbons-like odor in the soil samples collected. <br /> A total of ten soil samples were submitted to CTEL for analysis as noted above.No target analytes <br /> were detected in the analyzed soil samples.The analytical results are summarized in Table 1.A copy <br /> of the laboratory report (CTEL Laboratory IDs 0208-019-1 through 0208-019-10) is included in <br /> Appendix A. <br /> RECOMMENDATIONS <br /> Based upon non-detectable concentrations of contaminants in soil samples, AGE recommends that <br /> no further action be taken at the site. <br /> Advanced GeoEnvironmental,Inc. <br />