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t 1 <br /> ELAINE 1880 ROGERS AVENUE <br /> TECH SERVICES.c SAN JOSE,CALIFORNIA 95112-1105 <br /> (408)573-7771 FAX <br /> T rrr— (408)573.0555 PRONE <br /> Y <br /> � Z <br /> o <br /> atm �c <br /> April 12, 1999 <br /> Kai en Petryna i <br /> Equiva Services LLC —� <br /> P O Box 6249 <br /> Cat son, CA 90749-6249 -� <br /> First Quarter 1999 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 1267 Country Club <br /> Stockton, CA <br /> Monitoting peiformed oil February 11, 1999 <br /> Groundwater Monitoring Report 990211-K-2 <br /> This report covers the routine monitoring of groundwater weils at this Shell-branded facility In <br /> accoidance with standard procedures that confoini to Regional Water Quality Control Board <br /> requirements, routine field data collection includes depth to water, total well depth, thickness of <br /> any separate Immiscible layer, water column volume, apprionate calculated purge volt_tMe (if <br /> applicable), elapsed evacuation time (if applicable), total volume of water removed (If <br /> applicable), and standard water parameter instrument readings Sample matenal is collected, <br /> contained, stored, and transported to the laboratory in conformance with EPA standards <br /> Purgewater (if applicable) is, likewise, collected and transported to the Martinez Refining <br /> Company <br /> Basic field Information is presented alongside analytical values excerpted from the laboratory <br /> report in the cumulative table of WE1,L CONCENTRATIONS The frill analytical report for <br /> the most recent samples and the field data sheets aie attached to this report <br /> At a minimum, Blaine Tech Services, Inc field personnel are certified on completion of a forty <br /> hour Hazaidous Materials and Emergency Response training course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight hour Iefieslier courses <br />