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STATE OF CALIFORNIA GEORGE DEUKMEJIAN Governor <br /> (CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 3443 ROLITIER ROAD u <br /> SACRAMENTO,CA 95827-30981 � Ii <br /> 21 June 1989 <br /> �'rRh./ltr/SFP, r,r;. <br /> Stephen Chen <br /> Deputy Public Works Director <br /> City Of Stockton <br /> City Hall <br /> Stockton CA, 95202 <br /> GROUND WATER MONITORING, AUSTIN ROAD LANDFILL,,,STOCK-TON, CASE NO. <br /> 2148 <br /> We have received the quarterly monitoring report, dated 2 May. 1989. Waste <br /> Discharge Requirements (WDRs) Order No. 89-031 for the Austin Road Landfill were <br /> adopted by the Regional Board in February 1989. This Order iincludes Monitoring ,And <br /> Reporting Program No. 89-031. The quarterly monitoring repan you sent references <br /> Monitoring And Reporting Program No. 77-288, which was rescinded with the <br /> adoption of Order No. 89-031. Your quarterly monitoring report also lists Austin Road <br /> Landfill as Class 11-2. Austin Road Landfill was reclassified as a Class III Landfill. <br /> Please note these changes on future monitoring reports. <br /> We have also received your request that the monthly and quarterly ground water <br /> monitoring requirements he postnnried Until the. verification pragram is romp!ete. The <br /> verification monitoring done to this point concentrated on vo1e organic compounds <br /> associated with the contamination found at the site. Monitoring & Reporting Prograrl� <br /> No. 89-031 requires that ground water be monitored for a iparc_;e variety of constituents <br /> inciuding volatile orga.nios, metals, nitrate, sulfate, alkalinity, arod others. This Order <br /> also requires sampling and analyses of ground water for one year for the <br /> determination of water q,..aality prctection standards. The water quality protection <br /> standards are set for all of the constituents listed in the Order, rihich includes more <br /> than just volatile organics. Therefore, your request that the morritoring be postponed <br /> must be denied. Results from the verification monitoring of volatile organics in the <br /> ground water wells on-site can be used in the quarterly monitonling reports. The <br /> quarterly monitoring report for the months of April, May, and June is due to the Board <br /> by 15 July 1989. <br />