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t <br /> WILUAM DU OVSKY ENVIRO VMEN ,I A'I <br /> El"11A roil moil[a]; consu](Ing 0 Projoc��' <br /> iti <br /> jl..l 1 f1 10: 17 <br /> I� <br /> July 5, 1999 <br /> Project 9688 E a <br /> Mr. Michael Infurna, Senior REHS �) <br /> Site Mitigation Unit, Environmental Health Division <br /> San Joaquin County Public Health Services <br /> 445 N. San Joaquin Street <br /> P.O. Box 388 <br /> Stockton, CA 95201 <br /> SUBJECT: Husky Crane Inc. <br /> 2373 Mariposa Road <br /> Stockton, California j <br /> SITE CODE 1672 <br /> Dear Mr. Infurna, <br /> This letter will serve as an addendum of the WDE Work Plan for Soil And Groundwater <br /> it <br /> Investigation dated June 4, 1990. The items presented are those discussed with you and Mr. <br /> William Dubovsky. <br /> f <br /> All soil and groundwater samples obtained will be transported to the North State Environmental <br /> laboratory (NSE) in South San Francisco, California under chain-of-custody protocol. NSE is <br /> certified by the California Department of Health Services with a FLAP Certificate Number 17.53. <br /> Mr. John Murphy is the laboratory director. Mr. Murphys telephone number is (650) 266 <br /> 4563. <br /> The following methods will be used for all analyses: <br /> WATER <br /> I <br /> TEPH water S.M. 5520 E&F _ 5t ppm <br /> TPH-D water 8015M 50 ppb <br /> TPH-G water 8015M &8020 530 ppb <br /> BTEX water 8015M &8020 0.5/0.5/0.5/1.0 ppb <br /> MTBE water 8015M &8020 0.5 ppb <br /> confirmed by GUMS method 8260B <br /> Total Lead water 7420A& AA Spectroscopy 0. 5 ppm j <br />