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29 September.1998 <br /> AGE-NC Project No. 98-0492 <br /> Page 4 of 6 y <br /> two "grab" ground water sample will be collected andsubmitted for laboratory analysis. Ground . <br /> water sample collection procedures are-presented in Sejction 4.3. <br /> Ground water sarriples will be analyzed-by a State.of alifornia Department of.Toxic Substances <br /> Control (DTSC)-certified laboratory for the following onstituents:. <br /> TPH-g in accordance with EPA Method 8015 Modified; <br /> • BTEX in accordance with EPA Method 602; ar�d <br /> • Fuel oxygenates,including MTBE,TBA,DIPE�ETBE,and TAME in accordance with EPA <br /> Method 8260. <br /> Laboratory reports for ground water.analyses;testing m thods, laboratory quality assurance/quality <br /> control (QA/QC)reports, and sample chain of custody documentation will be presented in a report <br /> with the findings and recommendations. <br /> 3.4. REPORT PREPARATION <br /> Upon completion of field work and receipt of final laboratory analysis, a'report will-be prepared <br /> presenting the findings of the investigation. The rep�rt will include a description of the work <br /> performed and results of the sampling and analysis. Co clusions and applicable'recommendations <br /> will be included in the report. The report will be in of I armat acceptable to the PHS-EHD and the <br /> ..CVRWQCB, and will be reviewed and signed by a Cal ifornia Registered Geologist. <br /> 4.0. FIELD PROCEDURES <br /> All field procedures will be overseen by an AGE representative under the supervision of a California' <br /> Registered Geologist."Procedures for the advancement of probe borings,soil sampling,groundwater <br /> sampling, equipment decontamination and sample shi ment are outlined below. <br /> 4.1.. PROBE BORING ADVANCEMENT <br /> Probe borings will be advanced using AGE's van-moun ed Geoprobe 5400 direct-push probing unit <br /> equipped with 1.25-inch probing rods. The Geoprobe alvances soil probe borings using a hydraulic <br /> or pneumatic hammer to drive soil and groundwater s�mpling tools to specified depths. <br /> i <br /> Advanced GeoEm•Ironmenlal,Inc. <br />