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06 June 2002 <br /> AGE-NC Project No. 03-1015 <br /> Page 3 of 4 <br /> • Total petroleum hydrocarbons quantified as oil and grease (TPH-o&g) in accordance with <br /> EPA Method 8015 Modified; <br /> • Total recoverable petroleum hydrocarbons (TRPH) in accordance with EPA Method 418.1; <br /> and <br /> • Full scan 8260b, reporting all peaks. <br /> Laboratory reports for soil analysis, testing methods, laboratory quality assurance/quality control <br /> (QA/QC)reports,and sample chain of custody documentation will be presented in a report of findings <br /> 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 report will include a description of the work <br /> performed,including diagram of septic system,location of sampling points and results of the sampling <br /> and analysis. Conclusions and applicable recommendations will be included in the report. The report <br /> will be reviewed and signed by a California 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 soil borings, soil sampling, equipment <br /> decontamination, sample shipment, and boring abandonment are outlined below. <br /> 4.1. BORING ADVANCEMENT <br /> Probe borings will be advanced using a van-mounted Geoprobe 5400 direct-push probing unit <br /> equipped with 1.25-inch probing rods. The Geoprobe advances soil probe borings using a hydraulic <br /> hammer to drive soil sampling tools to specified depths.The borings will be angled to reach under the <br /> specified sampling locations. <br /> Advanced GeoEnA ironmental <br />