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15 November 1995 <br /> AGE-NC Project No-95-0162 <br /> Page 3 of 3 n . <br /> sheets, capping and sealing with tape. <br /> 6. Store samples in a chilled container and transport to a State-certified laboratory for analysis. <br /> T Screen soil sample duplicates for the presence of volatile organics using a photo-ionization <br /> detector(PID) pre-calibrated.to isobutylene. <br /> { <br /> 8. Log borings in accordance with the Unified Soil Classification System. y. ' <br /> 9. Backfill each probing using a concrete slurry in,the,entire depth <br /> -4.2. LABORATORY ANALYSIS - - <br /> Selected soil samples will be transmitted to a State-certified laboratory and analyzed for TPR=g and <br /> BTE&X in accordance.,with EPA-methods 5030/8015m and 8020, respectively. y <br /> 4.3. : REPORTING <br /> A report detailing the results of the investigations will be prepared: The report will,be in a format <br /> acceptable to the. PHS-EHD and Central Valley Regional Water Quality Control Board <br /> (CVRWQCB). The report will be reviewed,and signed by a Registered Geologist. x <br />