Laserfiche WebLink
FED 2 2'94 ! M M. <br /> BLAINE985 TIMOTHY DRIVE <br /> SAN.LOSE, CA 95133 <br /> r i (408)995-5535 <br /> TECH j I I N C FAX(408)293-8773 <br /> A <br /> February 16, 1994 <br /> Brett Hunter "I"' HE <br /> Chevron U S A Products Company Lz� 11 <br /> 2410 Camino Ramon E E 11 <br /> San Ramon, CA 94583-0804 MAR Q 9 1994 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> 1st Quarter 1994 monitoring at 9-1848 <br /> First Quarter 1994 Groundwater Monitoring at <br /> Chevron Service Station number 9-1848 <br /> 1257 Yosemite Avenue <br /> Manteca, California <br /> Monitonng performed o February 2, 1994 I „ <br /> Groundwater Sampling Report 940.202-V-1 <br /> This report covers the routine quarterly monitoring of groundwater wells at this Chevron facility <br /> Blaine Tech Services, Inc work at the site includes inspection, gauging, evacuation, purgewater <br /> containment, sample collection and sample handling in accordance with standard procedures that <br /> 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 volume 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 940202-V-1 1 st 0-1994 Monitoring at Chevron 9-1848 page 1 <br />