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Mr. William Moranda - 2 - 28 August 20 <br /> g 03 <br /> Former Buffalo Tank Corporation, Stockton <br /> 2. Add lead analysis and TPH extractables (including previously reported diesel and mineral spirits) <br /> to the suite of soil and groundwater analyses. <br /> 3. Analyze groundwater from the onsite private well and irrigation well, using the proposed suite of <br /> analyses and the Comment 2's additional analytes. <br /> 4. Continuously core soil and note any lithological changes (backfill soil, etc.). <br /> 5. Sample soil every 5 feet, or at other intervals at the discretion of the field geologist if <br /> contamination is detected. Note that backfill soil (to 22 feet bgs) cores may be screened for <br /> petroleum hydrocarbons. If the backfill soil screening does not detect petroleum hydrocarbons, <br /> then soil analyses for that soil interval may be skipped. <br /> 6. Provide at least 72 hours (3 working days) notification prior to initiating field activities, so that I <br /> may be present during the fieldwork. <br /> Please provide the Workplan by 30 September 2003. <br /> If you have any questions you may contact me at (916) 255-3115 or bartoni(?rb5s.swrcb.ca.gov. <br /> ,,,4ames L. Barton, R.G. <br /> Engineering Geologist <br /> cc: Ms. Margaret Lagorio, San Joaquin County Environmental Health Services, Stockton <br /> Mr. Daniel Kalmbach, Advanced GeoEnvironmental, Stockton <br />