Laserfiche WebLink
e y <br /> BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES.K SAN JOSE,CALIFORNIA 95112 <br /> (408)573-7771 FAX <br /> era TH�eo (408)573-OSSS PHONE <br /> yPA <br /> October 28, 1997 <br /> Brett Hunter <br /> Chevron U S A Products Company <br /> P O. Box 6004 <br /> San Ramon, CA 94583-0904 <br /> 3rd Quarter 1997 Monitoring at 9-4275 <br /> Third Quarter 1997 Groundwater Monitoring at <br /> Chevron Service Station Number 9-4275 <br /> 2905 West Benjamin Holt Drive <br /> Stockton, CA <br /> • Monitoring Performed on September 29, 1997 <br /> Groundwater Sampling Report 970929-M-1 <br /> This report covers the routine monitoring of groundwater wells at this Chevron facility. Blaine <br /> Tech Services, Inc 's 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 McKittnck Waste Treatment Site for disposal <br /> Basic field infonnation 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 Iocated 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 970929-M-1 3rd-Q 1997 Monitoring at Chevron 9-4275 <br />