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16 June 2003 <br /> AGE-NC Project No. 03-1042 <br /> Page 4 of 5 <br /> Selected soil samples from the scale pit location will be analyzed for: <br /> • Total petroleum hydrocarbons quantified as hydraulic oil(TPH-ho)in accordance with EPA <br /> Method 8015M and <br /> • Polychlorinated biphenyls (PCBs) in accordance with EPA Method 8082. <br /> Laboratory reports for soil analyses, testing methods, laboratory quality assurance/quality control <br /> (QA/QC) reports, and sample chain of custody documentation will be presented in a report with <br /> findings and recommendations. <br /> 3.3. 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 and results of the sampling and analysis. Conclusions,applicable recommendations,and <br /> maps will be included in the report. <br /> 4.0. FIELD PROCEDURES <br /> Registered Geologist. Procedures for the advancement of borings, <br /> All field procedures will be overseen by an AGE representative under the supervision of Califomia <br /> decontamination and sample shipment are outlined below. soil sampling, equipment <br /> 4.1. PROBE BORING ADVANCEMENT <br /> The 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. <br /> 4.2. SOIL SAMPLING COLLECTION AND ANALYSIS <br /> The soil borings will be sampled at discreet five-foot intervals using a 1.125" Geoprobe soil <br /> sampling assembly loaded with four six-inch brass sleeves. Upon sample retrieval, the ends of the <br /> second sleeve will be covered with Teflon sheets,capped and sealed with tape. Then the sleeve will <br /> be labeled with the boring designation, depth, time, date and sampler's initials, and placed in a <br />