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BLAINS TIMOTHY [)RIVE <br /> r SAN JOSE, CA 95133 <br /> ��'7�+'►►��**���'/�t� (408)995-5535 <br /> R _ ; TECH t VGA[-'1�Y'JW/ INC -8773(408)293 8773 <br /> �5 r <br /> APit 1 `t? PO 2. Z 1 <br /> March 9, 1995 <br /> Brett Hunter �3 b <br /> Chevron U S A Products Company <br /> 2410 Camino Ramon <br /> San Ramon, CA 94583-0804 <br /> Ld Quarter 1995 Mori ming at 9-1918 <br /> Fust Quarter 1995 Groundwater Monitoring at <br /> Chevron Service Station Number 9-1918 <br /> 45 East Harding Way <br /> Strackwit,C <br /> Monitoring Performed on January 23, 1995 <br /> Groundwater Sampling Report 950123-G-1 <br /> This report covers the routine quarterly monitoring of groundwater wells at this Chevron facility. <br /> Blaine Tech Services, Inc 's work at the site includes inspection, gauging, evacuation, <br /> purgewater containment, sample collection and sample handling in accordance with standard <br /> procedures that conform to Regional Water Quality Control Board requirements <br /> Routine field data collection includes depth to water, total well depth, thickness of any separate <br /> immiscible layer, water column volume,calculated volume of a three-case vaUme purge. <br /> elapsed evacuation time, total volume of water removed, and standard water parameter <br /> instrument readings Sample material is collected,contained, stored, and transported to the <br /> laboratory in conformance with EPA standards Purgewater is, likewise,collected and <br /> transported to Chevron's Richmond Refinery for disposal <br /> Basic field information is presented alongside analytical values excerpted from the laboratory <br /> report in the cumulative table of WELL DATA AND ANALYTICAL RESULTS The full <br /> analytical report for the most recent samples is located in the Analytical Appendix The table <br /> also contains new groundwater elevation calculations taken from the computer plotted gradient <br /> map which is located in the Professional Engineering Appendix <br /> Blaine Tech Services, Inc Report No 950123-G-1 1 St 0-1995 Monitoring at Chevron 9-1918 <br />