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California #gional Water QualitylWontrol Board <br /> 0 Central Valley Region = � <br /> Terry Tamminen Robert Schneider,Chair <br /> Secretary for Arnold Schwarzenegger <br /> Environmental 11020 Sun Center Drive#200,Rancho Cordova,California 95670-6114 Governor <br /> Protection (916)464-3291 •Fax(916)464-4797 <br /> h4://www.swrcb.ca.gov/rwgcb5 <br /> 16 November 2004 <br /> EN�E�MI-��SERVICES <br /> Mr. James A. Levy, Manager P <br /> Environmental Site Remediation <br /> Union Pacific Railroad Company <br /> 9451 Atkinson Street, Suite 100 <br /> Roseville, CA 95747 - <br /> SITE ASSESSMENT WORK PLAN, UNION PACIFIC RAILROAD COMPANY, STOCKTON <br /> YARD, SAN JOAQUIN COUNTY <br /> Staff of the Central Valley Regional Water Quality Control Board (Regional Board) has reviewed the <br /> 20 October 2004 Site Assessment Work Plan (Work Plan) for the Union Pacific Railroad Company's <br /> (UPRR) yard in Stockton. You submitted the Work Plan in response to Regional Board staff's <br /> 9 August 2004 letter requesting that you re-clean the drop inlet and culvert that was contaminated with <br /> diesel fuel apparently from the spill that occurred on 30 August 2003. Our letter also asked for <br /> information on site facilities and stormwater runoff drainage patterns. <br /> The Work Plan proposes to re-wash the drop inlet and culvert and sample the discharge water for total <br /> petroleum hydrocarbons as diesel (TPHd). The Work Plan also proposes to inventory and map site <br /> features including drainage patterns, describe existing stormwater management practices, and propose a <br /> monitoring plan to document the quality of storm water runoff from the Stockton Yard. <br /> The Work Plan is acceptable. By 31 January 2005, please submit a site assessment report for the <br /> requested tasks. Be sure to notify this office at least 72 hours prior to performing any field work so that <br /> we can arrange to be on site during the work. If you have any questions, you may contact me at <br /> (916) 464-4677 or by email at djuthg(@rb5s.swrcb.ca.gov. <br /> s <br /> GERALD J. DJUTH, P.E., C.E.G. <br /> Associate Engineering Geologist <br /> cc: Mr. Harlan Knoll, San Joaquin Environmental Health Department, Stockton <br /> Mr. Jack Kemp, Kennedy/Jenks Consultants, Sacramento <br /> California Environmental Protection Agency <br /> �a Recycled Paper <br />