Laserfiche WebLink
CB&I <br /> 180 Promenade Circle, Suite 320 <br /> Sacramento,CA 95834 <br /> Telephone:925-457-1130 <br /> July 26,2016 <br /> Project 149259 <br /> Taj M.Bahadori,P.E. <br /> Senior Civil Engineer <br /> San Joaquin County Department of Public Works <br /> Solid Waste Division <br /> 1810 E.Hazelton Avenue <br /> Stockton,CA 95201 <br /> Re: Response to CVRWQC13 letter of June 20, 2016 to the Revised Water Quality <br /> Protection Standard Report of March 10, 2016 for the Foothill Sanitary Landfill, San <br /> Joaquin County, California <br /> Dear Mr.Bahadori: <br /> This letter provides responses to comments to the March 10, 2016 Revised Water Quality <br /> Protection Standard (WQPS) Report for the Foothill Sanitary Landfill from the Central Valley <br /> Regional Water Quality Control Board's(Board)letter dated June 20,2016. <br /> The Revised WQPS Report was submitted in compliance with Waste Discharge Requirements <br /> Order No. R5-2015-0058 and in response to the Board's February 10, 2016 Notice of <br /> Violation. The Board's letter to the Revised WQPS contained on the following comments: <br /> • Submit the electronical data used in the statistical analysis to develop the concentration <br /> limits (CLs)presented in the WQPS Report <br /> • Provide an additional explanation of the inter-point tolerance limit method used to develop <br /> CLs for the lysimeters <br /> As discussed with Todd Del Frate on July 8,2016;the responses to comments are as follows: <br /> • The statistical analysis used to develop the CLs presented in the WQPS Report was <br /> performed with application of the Sanitas Statistical Model. An electronic data set of all of <br /> the water quality parameters that were imputed into the Sanitas Model will be submitted to <br /> the Board's Geotracker database system as an Excel table text delimited file. <br /> • The inter-point tolerance limit method used to develop CLs for the site's vadose zone <br /> lysimeters is identical to the inter-well tolerance limit method used to develop CLs for the <br /> site's groundwater wells. Data from background lysimeter VZ-1 will be used to develop <br /> CLs for the site's down gradient lysimeters(LZ-2, LZ-3, LZ-4, and LZ-5). This analysis <br /> FSL WQPS WB response]tr.docx <br />