SITE INFORMATION AND CORRESPONDENCE

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Clayton EnOrmental Consultants, Inc. Ms. Eleanor Ratliff June 12, 1989 Page 2 appropriate depth by drilling approximately 1-2 feet away from the original boring location. Drilling spoils will be containerized in 55 gallon steel drums pending sample analysis. Boreholes will be backfilled under the inspection of San Joaquin Local Health District with cement-bentonite grout placed by free fall. 3. Drill three new borings to 8 feet depth in the vacant land west of the building to determine the lateral extent of contamination. The first boring will be approximately 15-20 feet north of Soil Boring No. B-15, in vertical line with Monitoring Well No. 3 (MW-3). The second boring will be located equidistant between MW-3 and Soil Boring No. B-16. The third boring will be located approximately 15-20 feet south of Soil Boring No. B-16 in vertical line with MW-3. Soil samples will be taken at 2, 4, 6, and 8 foot depths in these three borings. Drilling spoils will be containerized in 55 gallon steel drums pending sample analysis. Boreholes will be backfilled under the inspection of San Joaquin Local Health District with cement- bentonite grout placed by free fall. Included with this permit application/letter are copies of all correspondence from DHS provided to Clayton Environmental Consultants by Ms. Sheridan Randolph, Boring and Monitoring Well Location Map depicting locations of both proposed and previous soil borings, and existing monitoring wells, completed Authorization to Release form, completed Application for Permit, and check for $35.00. Spectrum Exploration, drilling contractor for this job, has copies of license and workman's compensation insurance on file with your office. Thank you for your time in processing this permit application. If you require any additional information, please call me at (415) 426-2661. Sincerely, D Andrew E. Seutter Geologist AS/ds Enclosures 236464.1tr (ch33)