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STATE OF CALIFORNIA-Environmental Protection Agency PETE WILSON, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION 1P� 4�1"c t <br /> 3443 Routier Road, Suite A ENI 4•4;_`,�E,NTAL HEALTH � <br /> 3ctamento, CA 95827-3098 Ei-�M,I i SF,R V1CE <br /> IW. hR w.en rY <br /> =ZONE: (916) 255-3000 <br /> FAX: (916) 255-3015 931 1U.N 15 P1 1` 19 <br /> 10 June 1993 <br /> Mr. Mark Geweke <br /> Geweke Land Development and Marketing <br /> 1045 S. Cherokee Lane <br /> Lodi , CA 95240 <br /> LABORATORY RESULTS FROM SPLIT SAMPLES, 16 SOUTH CHEROKEE LANE, LODI, SAN <br /> JOAQUIN COUNTY <br /> On 1 and 9 April 1993, I met with Alan Bodiford of Sun Tech, to collect ground <br /> water samples to be analyzed by both Suntech's laboratory and ours. The <br /> analytical results of the samples collected by Mr. Bodiford were compiled in <br /> your most recent quarterly report dated 19 April 1993. The analytical results <br /> of the samples I collected are enclosed and summarized in the attached table. <br /> Copies of the analytical results were already given to both Mr. Bodiford and <br /> Robert Marty of Geological Audit Services. <br /> The Cleanup and Abatement Order requires that the first quarter monitoring <br /> report be submitted by 20 April every year. This year the monitoring event <br /> was delayed due to our meeting on 31 March 1993. In addition, the sampling <br /> crew experienced difficulties in the field and it was not possible for Sun <br /> Tech, your consultant, to submit a complete quarterly report by 20 April 1993. <br /> However, they did telecopy an incomplete report on 20 April and then submitted <br /> the complete report on 23 April 1993. <br /> A comparison of the attached table with Table 12 and the laboratory sheets of <br /> the recent quarterly report reveals that no constituents other than TPHg and <br /> BTEX were reported by the laboratory used by Sun Tech. The laboratories used <br /> by the Regional Board did detect constituents other than TPHg and BTEX, as <br /> shown in the attached table. These are solvents and/or constituents of <br /> gasoline and their presence is consistent with previous results. <br /> If you have any questions, call me at (916) 255-3125. <br /> VIZ . THAYER <br /> Assongineer <br /> Attachment and enclosures <br /> cc: ,Harlin Knoll,, San Joaquin County Environmental Health, Stockton <br /> Alan Bodiford, Sun Tech Environmental , Modesto <br /> Robert Marty, Geological Audit Services, Lodi <br /> i <br />