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It - <br /> ,1 <br /> 2.7 DECONTAMINATION <br /> I� During field activities and prior to advancement of each boring,they hollow-stem augers will be steam <br /> i. cleaned to prevent the introduction of foreign material to the subsurface soil. Sampling equipment will <br />{f also be washed in an Alconox and tap water solution and rinsed in"distilled water between each sample <br /> R <br /> collection. <br /> o I <br /> 2.8 CONTAINMENT OF WASTES <br />` Soil cuttings generated during drilling and sampling activities at the site will be contained in Department <br /> i <br /> of Transportation-(DOT)rated 55-gallon drums. Disposal options'and costs are not addressed in this <br /> { work plan due to lack of information regarding contaminant levelsi� However, all drums will be labeled <br /> with the following information: source,owners name and phone number, date and time, and the words <br /> { r "pending laboratory analysis." ` <br /> 3.0 LABORATORY ANALYSIS <br /> The soil samples collected during the field investigation will be submitted to a State of California- <br /> ! <br /> certified laboratory under proper chain-of-custody procedures. Th soil samples will be analyzed for <br /> total petroleum hydrocarbons(TPH) in the diesel range, in accordance with California Department of <br /> li <br /> Health Services method for TPH characterization, and will be quantified against diesel fuel standards. If <br /> additional sampling is required, a cost estimate may be prepared at that time to include optional <br /> laboratory analysis for semivolatile organic compounds using EPA Method 8270. <br /> € LABORATORY QUALITY ASSURANCE AND QUALITY CONTROL <br /> ,t <br /> A quality assurance/quality control(QA/QC)program will be implemented during this study to ensure <br /> the precision and accuracy of the data collected. The California-certified laboratory will be required to <br /> 'ji, I <br /> perform the appropriate QA/QC procedures for each analytical"method used, in accordance with the <br /> !J <br /> Ix <br />