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t � � <br /> i Sacramento Insulation Contractors Project No. EOC-96-028 <br /> Several soil samples containing the highest concentrations of TPH from each borehole <br /> will be analyzed for BTEX by EPA Method 8020 and organic lead. <br /> L <br /> • Collect a groundwater sample from each boring using the Hydropunch method and <br /> i analyze each water sample for the presence of TPH and BTEX. The groundwater <br /> L samples will be collected using a Hydropunch bailer with the contents decanted into 40- <br /> ml VOA vials. The VOA vials will be labeled and transferred following chain-of-custody <br /> procedures to a California state certified mobile laboratory for same day analysis. <br /> L <br /> • Follow the appropriate Quality Assurance/Control (QA/QC) procedures, such as steam <br /> cleaning and washing, etc. <br /> L <br /> • Soil cuttings and decontamination water will be placed into labeled 55-gallon drums and <br /> stored on site for proper disposal by the client following regulatory protocol. <br /> L. <br /> • Provide health and safety monitoring at all time during field activities. <br /> Task 111 - Preparation of Limited Assessment Report. Following completion of Tasks I and ll, <br /> EOC will prepare a report that summarizes the results of the field activities and provides <br /> recommendations, as appropriate. <br /> L <br /> • Prepare and submit a letter to PHS detailing the boring excavation activities (including <br /> boring logs and laboratory data) in accordance with permitting requirements. <br /> • Prepare and submit a report following the completion of Tasks I and ll. The report will <br /> detail the field activities and request regulatory closure of the site or provide <br /> recommendations for additional environmental services, as appropriate. The report will <br /> follow the guidelines presented in the 'Tri-Regional Board Staff Recommendations for <br /> Evaluation and Investigation of Underground Storage Tank Sites" and will conform to the <br /> r regulatory requirements for assessing UARs and obtaining no further action required <br /> determinations. <br /> L Provide consultation with the client and representatives of the regulatory agencies during <br /> and following completion of the field activities, as required. The purpose of the <br /> consultation will be to present the results obtained during the performance of the field <br /> activities. <br /> PROJECT SCHEDULE <br /> L <br /> EOC has tentatively scheduled the performance of the field activities for Wednesday, November <br /> 20 and Thursday, November 21, 1996. We would like to complete the field activities prior to the <br /> ry Thanksgiving holiday. With your concurrence, we will plan and attempt to complete the field <br /> activities on the proposed dates. The limited assessment report should be submitted within 3 <br /> f weeks of the completion of the field activities. Based on an evaluation of the results, EOC will <br /> L recommend "no further action", or recommend appropriate additional field services. <br /> 1 EnvirOmega Consultants 3 November 8, 1996 <br /> L <br />