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,STATE O CALIrORNIA- Environmental Pre[ion Agency • PETE WILSON, Governor <br /> 0ALIFORMA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION i:'.j :Ri1, 1 ; "IT,°aL E E. <br /> 8443 Router Road, Suite A <br /> Sacramento, CA 95827-3098 <br /> PHONE: (916)255-3000 <br /> FAX: (916) 255-3015 9 <br /> I4 PC�F'_l {(;, <br /> 1 March 1994 <br /> Mr. Mark Geweke <br /> Geweke Land Development and Marketing <br /> P.O. Box 1210 <br /> Lodi, CA 95241 <br /> PILOT STUDY MONITORING PROGRAM, GEWEKE, 16 SOUTH CHEROKEE LANE, LODI, <br /> SAN JOAQUIN COUNTY <br /> On 4 February 1994, I met with your consultants, Bob Marty and Vic Cherven of Geological Audit, <br /> to discuss the monitoring program for the pilot study. The pilot study began on 2 February 1994, <br /> when five wells were inoculated with bacteria. Monitoring for the pilot study began on Monday, <br /> 7 February 1994. I have enclosed a memorandum containing the details of the monitoring program <br /> for the pilot study. <br /> Based on the results of the pilot study, we may be able to make decisions about the efficiency of <br /> insitu bioremediation. The monitoring program for the entire remediation system may be based on <br /> the results of the pilot study. <br /> By 11March 1994, submit the data and a summary of the results of the first month of pilot study <br /> monitoring. Include in this report, the analytical methods for all analyses, particularly, for the <br /> bacterial counts and identification. Also include rationale for not monitoring for other gases <br /> produced by anaerobic processes. If no differences are noted in CO2 and OZ gas concentrations, then <br /> monitoring for N2 and CH4 must be included in the March 1994 monitoring for the pilot study. <br /> If you have any questions, call me at (916) 255-3133. <br /> LE'AL--1BETH A. THAYER <br /> Asso iate Engineer <br /> Enclosure <br /> cc: Mr. Harlin Knoll, San Joaquin County Environmental Health Division, Stockton <br /> Mr. James DeMera, Mullen, Sullivan & Newton, Lodi <br /> Mr. Bob Marty, Geological Audit Services, Stockton <br />