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RIV <br /> TIMOTHY DBLAINE SAV JOSE, CA 951:: <br /> (408) 995-553 <br /> TECH SERVICES INC. FAX (08) 293-87- <br /> AIinI 20, 1995 <br /> Shell Oil Company RE C E I VE D <br /> P O Box 4023 APR 2 4 199 <br /> Concord, CA 94524 <br /> Ann Daniel Kirk <br /> SITE <br /> Shell WIC 9204-'524-3505 <br /> 2575 Country Club <br /> Stockton, California <br /> QUARTER <br /> 1st quarter of 1995 <br /> QUARTERLY GROUNDWATER SAMPLING REPORT 950329-E-1 <br /> This report contains data collected during routine Inspection, gauging and sampling of <br /> groundwater monitoring wells performed by Blame 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 well <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 Sernees,Inc.930329-E-I Shell 2375 Counuy Club,5toddon page <br />