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• Corporate Office <br /> 3500 American River Drive <br /> P.O. Sox 15002 <br /> z1A\ Sacramento, Calif. 95851 <br /> (916)484-3011 <br /> A.TEICHERT & SONS INC. <br /> Established 1887 ' <br /> L: <br /> L L: <br /> r .. ,... <br /> ,duly 27, 1993 <br /> Linda Turkatte <br /> i <br /> Public Health Services <br /> P.O. Box 2009 <br /> Stockton, CA 95201 j <br /> Dear Linda: <br /> i <br /> The impacted soil cuttings generated during the installation of MW-13 at 103 North <br /> E Street in Stockton has now been successfully bio-remediated. Please refer to A. <br /> Teichert & Son's (ATS) letters dated October 22, 1992 and November 3, 1992 for the <br /> original proposal. <br /> Analytical results for the original soil cuttings and the confirmation soil sample are <br /> presented in Table 1. Certified analytical reports for the confirmation soil sample have <br /> also been enclosed for your review. <br /> I <br /> The confirmation soil sample collected indicates that the soil cuttings have been <br /> sufficiently remediated. There is still 0.040 mg/kg of TPI-fg remaining. However, since the <br /> total volume of soil is only 1.16 cubic yards and the ground-water depth is approximately <br /> 71 feet, the remaining contamination does not represent a significant threat to ground- <br /> water. <br /> ATS proposes to spread the remediated soil on the unpaved portion of the yard <br /> where equipment is parked and stored. At this time soil remediation is considered to be <br /> complete and no further action is warranted. ATS recommends that this issue be closed. <br /> Upon your approval, the disposition of the remediated soil will be noted in the next <br /> quarterly report. <br /> If you have any questions please feel free to contact me at 916-386-6916. Thank <br /> you for your assistance. <br /> Sincerely yours, <br /> .4 0411�. <br /> George Takemori <br /> STK30 <br /> Encl: Site Mag <br /> Certified Analytical Reports <br />