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KLEINFELDER <br /> . Task 3: Laboratory Analysis <br /> Two soil samples from each UST boring and one soil sample from each pump island boring <br /> will be submitted for laboratory analysis The samples will be selected based on field <br /> observations, qualitative screening results, and the objectives of the investigation The soil <br /> samples will be submitted to a laboratory certified by the State of California Department of <br /> Health Services (Enseco in West Sacramento or APPL in Fresno) for the proposed <br /> analyses The samples will be analyzed for. <br /> o Extractable total petroleum hydrocarbons (TPH) by EPA method 8015M/3550 <br /> o Purgeable TPH by EPA method 8015M/5030 <br /> o Benzene, toluene, ethylbenzene, and xylenes (BTEX) by EPA method 8020 <br /> The samples will be analyzed on a regular turnaround schedule, usually requiring 15 <br /> working days for completion. <br /> While the laboratory is performing the requested analysis, the field observations, and <br /> chain-of-custody information (such as sample location, identification, date, time, matrix, <br /> and laboratory) will be entered in Kleinfelder's environmental database (ENVIS) Once <br /> the laboratory has completed the requested analyses for a sample or a group of samples, <br /> the analytical data are transferred electronically into the ENVIS database, where it is <br /> checked for inconsistencies in sample numbers, analytical units, and reported <br /> concentrations versus reporting limits The analytical data is then reviewed and analyzed <br /> using the "query" and/or statistical capabilities of ENVIS prior to being output in tabular or <br /> graphical format for inclusion in reports <br /> Task 4: Prepare a Report of Findings <br /> Upon completion of soil sampling, and receipt and review of analytical results, a report of <br /> findings will be prepared for client use The report will include <br /> o A description of field activities,°observations, and protocols; <br /> o Lithologic logs, <br /> o Tabularized results of soil sample analysis with copies of certified analytical <br /> laboratory results; <br /> o Description and documentation of QA/QC procedures employed for field and <br /> laboratory work <br /> i <br /> 0 <br /> FR25-91-23 Page 3 of 3 <br /> Copyright 1991 Kleinfelder,Inc <br />