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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) sampled and analyzed? <br /> m. Have any groundwater concentration X Water Quality Goals for TDS, <br /> limits been exceeded? If yes,identify EC,Na, Cl exceeded. Plume <br /> in comments. documented and corrective <br /> action(process improvements). <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 Well recovery time has not been <br /> description,method, and time recorded. <br /> of water level measurement and <br /> well recovery time? <br /> p. Purging: Is there a description X Need to stabilize aquifer <br /> parameters and purge 3 casing <br /> of the purging method, purge volumes. <br /> pump and its placement, and <br /> field parameters? <br /> Additional Comments and Recommendations: <br /> M-19-C was covered by asphalt and not monitored; problem has been corrected. Consultant indicates that <br /> the well will be sampled in the future. <br /> More than one casing volume will be needed for purge in future. Fox River letter dated 20 June indicates <br /> that this will be done during future sampling rounds. <br /> OB-16 and OB-20 show wide variation in EC, Na, and Cl over time. <br /> OB-25 increasing trend for Mg. <br /> PW-4, and PW-5 increasing sulfate, less obvious increase for PW-6 and PW-7. <br /> Nitrate decreasing in the semi-perched wells and in upper and intermediate. <br /> RWQCB Staff Signature: <br /> 17 <br /> Date: 31 August 2000 <br />