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URS <br /> ' Ms. Kathy Amaru Page 3 of 3 <br /> Regional Water Quality Control Board-Central Valley Region <br /> ' May 6,2011 <br /> pH). Approximately 60 gallons were removed during development. Attachment B includes the well <br /> ' development log for MW-23R-SP. <br /> WASTE DISPOSAL <br /> Soil cuttings were stockpiled onsite and wastewater generated during the drilling and development <br /> activities were stored in 55-gallon DOT-approved steel drums. One soil sample was collected for <br /> ' analysis of volatile organic compounds (VOCs)and total petroleum hydrocarbons as gasoline by United <br /> States Environmental Protection Agency Method 8260 and Title 22 Metals. One groundwater sample <br /> was collected and analyzed for VOCs, Title 22 metals,and hexavalent chromium by SW7199.Belshire <br /> ' Environmental Services, Inc.transported and disposed of the drums to an appropriate landfill on May 2, <br /> 2011. Copies of the laboratory report and waste manifests are included as Attachment C and D, <br /> respectively. <br /> If you have any questions or comments regarding this report,please call Mr. Vern Elarth at <br /> (916) 679-2299. <br /> ' Sincerely, ED GE <br /> URS Corporation Americas PAUL F Cis <br /> i <br /> No. 7 20 <br /> * Exp. 1 3/ 12L, <br /> Vernon Elarth,R.G. #7120 (P �Q <br /> Project Manager q OF CAL�F��� <br /> ' Enclosures: Figure 1 Site Plan <br /> Attachment A Regulatory Correspondence <br /> Attachment B Well Construction Logs/Well Development Log <br /> Attachment C Analytical Report of IDW Samples <br /> Attachment D Waste Manifests <br /> ' cc: Ms. Lori Duncan—San Joaquin County Environmental Management Department <br /> Mr. Conrad Lewis—Department of General Services <br /> Mr.Justin Smith—Deuel Vocational Institution <br /> Mr. Jim Arnet-Deuel Vocational Institution <br /> Mr. Adam Wolfe—Department of Corrections <br /> Project File <br /> ' HAWprxeuV SMDVl-Bum Pit=l 1U -DR-SP Well Da ciion and ReinstallWon Rptdoo <br />