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t <br /> BLAINE <br /> TECH SERVICES w. <br /> GROUNDWATER SAMPLING SPECIALISTS <br /> -SINCE 1985 <br /> «_-•-._._---.���..�_. ._. . �, ..�.:.^_�... � _:.__��,.._ .._ ... ,,..J.,.,..,,._r.tea. �r.,�.,,.�_,...�. <br /> October 6, 2004 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91510-7869 <br /> Third Quarter 2004 Groundwater Monitoring at <br /> r Shell-branded Service Station <br /> 6131 Pacific Avenue <br /> Stockton, CA _ <br /> Monitoring performed on September 14, 2004 i <br /> - -Groundwater-Monitonng-Report-040914-JB-1�- <br /> This repoifcovers tfie routine monitoring of groundwater wells at t1Sis Sliell=branded facility- In 4- --- <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, thickness of <br /> any separate immiscible layer, water column volume, calculated purge volume (if applicable), <br /> elapsed evacuation time (if applicable), total volume of water removed(if applicable), and <br /> standard water parameter instrument readings Sample material is collected, contained, stored, <br /> and transported to the laboratory in conformance with EPA standards Purgewater(if applicable) <br /> l.l.o....na nnllnntnei onrl tangy nrtnii 4n f'ie I!1a."tiriez Rei:ninR �nrn�anv <br /> iJ, 11 a "..se, collected aaliu pvl ted o t g v yn-n <br /> Basic field information 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 this 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 training course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight-hour refresher courses • <br /> SAN JOW sACXWEMO Los ANGREs sm utwo <br /> 1680 ROGER!AVENUE S JOW,CA M 1 A-1106 (4o6)873 WM FAX (408)673-7771 ue 744604 www Alainetech eom <br />