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1 <br /> BLAINE 1680 ROGERS AVENUE <br /> TECH SERVICES SAN JOSE CALIFORNIA 95112 <br /> (408)573 7771 FAX <br /> a���T 71i1,p (d08)573-0555 PHONE <br /> 0 <br /> i <br /> T <br /> March 8, 1999 <br /> Karen Petryna <br /> Egwva Services LLC <br /> P O Box 6249 r <br /> Carson, CA 90749-6249 <br /> Furst Quarter 1999 Groundwater Monitoring at <br /> Shell -branded Service Station <br /> 141 North El Dorado <br /> Stockton, CA <br /> Monitoring performed on January 26, 1999 <br /> • <br /> Groundwater Monitoring Report 990126-TJ-2 <br /> This report covers the routine monitoring of groundwater wells at thus Shell -branded facility In <br /> accordance with standard procedures that conform to Regional Water Quality Control Board <br /> requirements, routine field data collection includes depth to water, total well depth, thuckness of <br /> any separate immiscible layer, water column volume, apprionate calculated purge volume.(if <br /> applicable), elapsed evacuation time (if applicable), total volume of water removed (if <br /> applicable), and standard water parameter instrument readings Sample material is collected, <br /> contained, storcd, and transported to the laboratory to conformance with EPA standards <br /> Purgewater(if applicable) is, likewise, collected and transported to the Martinez Refining <br /> Company <br /> Basic field mforuznation is presented alongside analytical values excerpted from the laboratory <br /> report in the cumulative table of WELL. CONCENTRATIONS The full analytical report for <br /> the most recent samples and the field data sheets are attached to thus report <br /> At a minimum, Blaine Tech Services, Inc field personnel are certified on completion of a forty <br /> hour Hazardous Materials and Emergency Response traumng course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight hour refresher courses <br /> Blame Tech Services, Inc conducts sampling and documentation assignments of this type as an <br />