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21 May 1999 <br /> • AGE-NC-96-4235 <br /> Page 3 of 4 <br /> Y s 1 <br /> 3 4 LABORATORY ANALYSIS <br /> Sample selection for analysis will include input from the PHS-EHD Soil and ground water samples <br /> will be transported to a California Department of Health Services(DHS)-certified laboratory and will <br /> be analyzed for total petroleum hydrocarbons quantified as gasoline(TPH-g)and diesel(TPH-d)and <br /> for volatile aromatics (benzene, toluene, ethylbenzene and xylenes, BTEX) A limited number of <br /> samples collected, including those from the UST cluster location, will also be analyzed for fuel <br /> oxygenates including MTBE,tertiary-butyl alcohol (TBA),di-isopropyl ether(DIPE),ethyl tertiary- <br /> butyl ether(ETBE) and tertiary-amyl methyl ether(TAME) <br /> 3 5 REPORT PREPARATION ' <br /> Upon completion of field work and receipt of the final laboratory analysis, a report will be prepared <br /> presenting the findings of the investigation,conclusions and applicable recommendations The report <br /> will include a description of the work performed and the results of the sampling and analysis J <br /> Laboratory reports,testing methods, laboratory quality assurance/quality control (QA/QC) reports, <br /> and sample chain of custody documentation will be presented in the report The report will be in a <br /> format acceptable to the PHS-EHD and the CVRWQCB, and will be reviewed and signed by a <br /> California Registered Geologist <br /> 4.4. FIELD PROCEDURES <br /> All field procedures will be overseen by an AGE representative under the supervision of a California <br /> Registered Geologist General soil and ground water sampling procedures were described in <br /> Monitoring Well Installation Work Plan -March 1998 Additional'details are outlined below <br /> 41 GROUND WATER SAMPLING PROCEDURES <br /> 'For the collection of-`grab" water samples, a Hydropunch or similar method will be utilized -For -- <br /> "grab" water samples collected at first ground water, an alternate method of collecting ground water <br /> samples may be utilized whereby ground water is allowed to enter the augers and a ground water <br /> sample is extracted by lowering a disposable bailer through the hollow stem augers into ground <br /> ' water <br /> 42 SOIL BORING ABANDONMENT <br /> All bongs will be permanently sealed to prevent vertical migration of contaminants Soil borings <br /> Advanced GcoEnvlronm[ntai,Inc <br />