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CYA <br /> A S S O C I A T E S I N C <br /> SCOPE OF WORK <br /> Planning and Scheduling <br /> Upon approval of this workplan, ATC will complete the necessary permits and associated fees <br /> required by San Joaquin County for the installation of a soil boring. ATC will then schedule <br /> field personnel and equipment, notify Underground Services Alert to locate underground utilities <br /> as required, and perform any other necessary field preparation and job start-up activities. <br /> Installation of Soil Borings <br /> To evaluate the extent of impacted soil at the site, one soil boring will be advanced using a hand <br /> auger to approximately 2 feet below the lower surface of the north most tank of the inactive <br /> separator, approximately 7 feet below ground surface (bgs). The proposed boring location is <br /> shown on Figure 2. <br /> Following soil sample collection, the boring will be backfilled with neat cement grout to the <br /> ground surface. All soil cuttings, if any, will be stored on-site in a 5-gallon container pending <br /> laboratory results. <br /> Sample Analysis <br /> The soil sample from the soil boring will be immediately placed in a cooler with ice and <br /> delivered under chain-of-custody documentation to a State-certified analytical laboratory. The <br /> soil sample will be analyzed on an overnight turn-around basis for volatile organic compounds <br /> including fuel additives and dry-cleaning solvents by EPA Method 8260. <br /> Report Preparation <br /> A summary report will be prepared for submittal to San Joaquin County Environmental Health <br /> Department (SJEHD). The report will include a description of all field activities, laboratory <br /> analytical results, and a boring log. All work described in this workplan will be performed under <br /> the direction of a California Registered Professional Engineer. All work will be performed in <br /> accordance with ATC's Site Safety Plan (SSP) contained in Attachment 1 and Quality <br /> Control/Quality Assurance Plan contained in Attachment 2. <br /> Projected Schedule <br /> Once approval of this workplan has been received, ATC will submit a permit application and <br /> associated fees to San Joaquin County and confirm a schedule for boring activities. ATC will <br /> notify SJEHD at least 48 hours prior to beginning any field activities. Boring activities are <br /> anticipated to be completed in one day. The summary report will be submitted to SJEHD after <br /> the completion of field activities. <br /> wAenviromental\05257\wkp.doc 2 <br />