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_ = Geological Audit Services, Inc. <br /> Environmental Professionals <br /> vMW 1803 March Lane, Suite A•Stockton, CA 95207-6414•(209)956-0264•Fax(209)956-0700 <br /> 0f/ r(�,/�� October 6, 1994 <br /> 1 GeoAudit GeoAudit 817-S <br /> U <br /> Linda Turkatte <br /> San Joaquin County PHS/EHD <br /> P. O. Box 388 <br /> Stockton, CA 95201 <br /> Subject: Free Product Removal <br /> Larry's Auto Repair - 308 North Grant Street <br /> Stockton, California <br /> Dear Ms. Turkatte: <br /> During the September 23, 1994 monitoring event at the subject site,0.05 feet of free product <br /> were observed in MW-4. The free product appears to be diesel fuel. In accordance with the <br /> Title 23, Division 3, Chapter 16, Section 2655 of the California Code of Regulations for <br /> underground storage tanks, Geological Audit Services, Inc. (GeoAudit) proposes the <br /> following procedures for removal of the free product at the site. <br /> Free product will be removed by band bailing. A disposible bailer will be lowered halfway <br /> through the water/air interface and removed. The bailer will then be inspected for the <br /> presence of free product. This will be continued until several bailers are removed where no <br /> free product is visible. A minimum of one gallon of water will be removed during each <br /> removal procedure. <br /> Free product removal procedures will be conducted weekly for the first month and twice a <br /> month thereafter beginning October 10, 1994.This schedual may be modified as determined <br /> by field observations. Procedures will be performed by a representative of GeoAudit. <br /> No discharge of purge water will be conducted. Purge water and free product will be placed <br /> in 55-gallon DOT drums and stored in a locked building at the site. Purge water will be <br /> disposed of according to standard protocal at a later date. <br /> Full Spectrum Environmental Services• Hydrogeology <br />