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Jim Pinasco <br /> January 4 , 1995 <br /> Page 2 <br /> below. The approach should strive to minimize the number of <br /> variables in the study as well as reflect the sampling method <br /> that will be used at Defense Distribution Region West (DDRW) <br /> Tracy. <br /> GENERAL COMMENTS AND RECOMMENDATIONS <br /> 1. Submittal of Ground Water Monitoring Plans without <br /> Registered Professional Signature <br /> Reports of a geologic nature that contain conclusions, <br /> recommendations, and/or technical interpretations must be signed <br /> by a geologist licensed in California (Registered Geologist) who <br /> accepts responsibility for technical content. This is required <br /> by California State law - Business and Professions Code <br /> (Geologists and Geophysicists Act, Section 7835 and Professional <br /> Engineers Act, Section 6735) . Technical reports and memoranda <br /> submitted to the Department of Toxic Substances Control that <br /> address hazardous waste investigations and are available for <br /> public review must adhere to legal requirements of the Business <br /> and Professions Code. Reports signed by geologists must indicate <br /> the license number of the geologist with the signature. <br /> Preferably, reports should include a submittal letter bound in <br /> the front of the report and signed by the duly licensed <br /> individual accepting responsibility for technical content. <br /> Recommendations <br /> GSU recommends that the Report be signed by a California <br /> licensed Registered Geologist. In the future, submittals of a <br /> geologic or hydrogeologic nature that contain conclusions, <br /> recommendations, and/or technical interpretations need to be <br /> signed by a California Registered Geologist who accepts <br /> responsibility for technical content. <br /> 2 . Sampling Collection With a Bailer <br /> The Report states that 30 wells selected for the low-flow <br /> rate sampling study will be purged using conventional methods and <br /> sampled using a bailer. At a later time, dedicated bladder pumps <br /> will be installed in the same 30 wells and low-volume purging and <br /> low-flow rate ground water samples will be collected; the <br /> standard three saturated well casing volumes will be purged and <br /> MS.mk <br /> MS4.015/5 <br />