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! I ! <br /> BLAINE <br /> ! 985 TIMOTHY DRIVE <br /> SAN JOSE,CA 95133 <br /> (408)995-5535 <br /> ! TECH SERVICES INC. FAX (08)293-8773 <br /> ! ! I <br /> ! Mamh 11, 1994 <br /> ! <br /> Shell Oil Company <br /> i <br /> PO Box 5278 RECEIVED <br /> Concord, CA 94520-9998 MAR 1 71994 <br /> Attn Daniel T Kirk ' <br /> 1 <br /> SITE <br /> Shell WIC #204-7524-0808 <br /> 7910 Lower Sacramento Road <br /> Stockton, California <br /> QUARTER <br /> I st quarter of 1994 <br /> s <br /> QUARTERLY GROUNDWATER SAMPLING REPORT 944215-K-1 <br /> This report contains data collected during routine inspection gauging and sampling of <br /> groundwater monitoring wells performed by Blaine Tech Services, Inc in response to the <br /> request of the consultant who is overseeing work at this site on behalf of our mutual client, <br /> Shell Oil Company Data collected In the course of our field work is presented in a <br /> TABLE OF WELL GAUGING DATA The field information was collected during our <br /> preliminary gauging and inspection of the wells, the subsequent evacuation of each «ell <br /> prior to sampling, and at the time of sampling <br /> Measurements taken include the total depth of the well and the depth to water The surface <br /> of water was further Inspected for the presence of immiscibles which may be present as <br /> a thin film (a sheen on the surface of the water) or as a measurable free product zone <br /> (FPZ) At intervals during the evacuation phase, the purge water was monitored with <br /> instruments that measure electrical conductivity (EC), potential hydrogen (pH), tempera- <br /> ture (degrees Fahrenheit), and turbidity (NTU) In the interest of simplicity, fundamental <br /> information is tabulated here, while the bulk of the information is turned over directly to <br /> the consultant who is making professional interpretations and evaluations of the conditions <br /> at the site <br /> Blame Tech Semces,Inc,940213-K-1 Sheli 7910 Lauer Sacramento Rd Stockton page 1 <br />