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4- , <br /> Z <br /> Monitoring Report Compliance Checklist <br /> Discharges Regulated by Title 27 and/or Part 258 <br /> RWQCB <br /> Reference Parameter Yes No N/A Reviewer Comment <br /> WDRs/MRP/ Groundwater Monitoring <br /> Standard <br /> Provisions 1. Are all groundwater Field Parameters x <br /> (Sept 93/Aug 97) Monitoring Parameter, and COCs <br /> (if required) samples and analyzed? <br /> X VOCs in MW-lA, -3, -7A, -9A,- <br /> m. Have any groundwater concentration 9B,&-10A. Inorganic <br /> limits been exceeded? If yes,identify concentrations greater than limits <br /> in comments. in MW-IA, -2, -3, -9B, &-1OA. <br /> n. Is there a description and graphical x <br /> presentation of groundwater flow <br /> direction and gradient? <br /> o. Monitoring Wells: Is there a x <br /> description,method, and time <br /> of water level measurement and <br /> well recovery time? <br /> p. Purging: Is there a description x <br /> of the purging method,purge <br /> pump and its placement, and <br /> field parameters? <br /> Additional Comments and Recommendations: <br /> Previously inorganic impacts have been attributed to saltwater intrusion. The discharger has been asked to <br /> demonstrate that inorganic impacts are caused by salt water intrusion and to propose revised concentration <br /> limits based on results from the new wells. <br /> VOC impacts at MW-lA maybe attributed to the well being screened in waste. Several old and new wells <br /> have a history of low level VOC detections. The site is known to have landfill gas and this is the likely <br /> source for the VOCs. <br /> RWQCB Staff Signature: <br /> Date: <br />