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M . <br /> <J <br /> Monitoring Report Compliance Check ist <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 /> in. Have any groundwater concentration X Detects of VOCs occurred in all <br /> limits been exceeded? If yes, identify wells. Concentration limits are <br /> in comments. detect in WDRs 95-068 <br /> n. Is there a description and graphical X Does not include well G-5 <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 Ensure that field parameters are <br /> of the purging method,purge stabilized during the purge. <br /> pump and its placement, and <br /> field parameters? <br /> Additional Comments and Recommendations: <br /> VOCs were detected in all wells. MtBE, Toluene and Heptachlor were detected in G-5. Toluene detected in <br /> G-1 and G-5. Toluene also detected in a lab blank and field blank. <br /> Freon 113, 1,2,3-Trichlorobenzene and Naphthalene detected in well G-4. Well G-4 retest (9/21/00) yielded <br /> non-detects for all VOCs. <br /> Well G-5 should be resampled due to detections of MtBE and Heptachlor. <br /> The location of well G-5 was not provided on the Groundwater Contour and Sampling Locations map. A <br /> well completion diagram with field boring log was not provided for the new well. <br /> The pH of well G3-D was 8.31. <br /> Turbidity was elevated (28.8 ntu) in well G-5. <br /> Field EC of VZ-5A/B was 1313 (83.8 degrees). Too little water was collected in any of the lysimeters to <br /> send to the lab. Unsaturated zone monitoring sampling techniques should be evaluated in order to yield <br /> samples. L simeters are not holding vacuum well. <br /> RWQCB Staff Signature: <br /> Date: <br /> m <br />