Laserfiche WebLink
Eo eR G BRown JR. <br /> C A t I f O R R l• `� MARC,iEw RODRIOUEZ <br /> WaterBoards FNVIRONMFNipI PROiFf.ilnl: <br /> Central Valley Regional Water Quality Control Board <br /> 31 July 2012 <br /> Joe Michaud Robin Stafford <br /> Newark Paperboard Mills Morrison & Foerster LLP <br /> 9 Eno Drive 425 Market Street <br /> Exeter, NH 03833 San Francisco, CA 94105 <br /> DOCUMENT REVIEW THE NEWARK GROUP, INC., 8QQ WEST CHURCH STREET, <br /> STOCKTON, SAN JOAQUIN COUNTY, REGIONAL BOARD CASE 399188 <br /> 1 reviewed the Work Plan for Site Investigation Activities (Workplan) received <br /> 30 July 2012 from The Newark Group, Inc. consultant URS. The Workplan proposed <br /> the advancement of eleven direct push soil borings (SB-X1 through SB-X11) to collect <br /> soil and grab groundwater samples at three (3) previously identified contaminated areas <br /> in 2005: <br /> • southwest B-7 (SB-X7 through SB-X11), <br /> • south-southeast B-14 (SB-X4 through SB-X6), and <br /> • southeast B-15 (SB-X1 through SB-X3). <br /> SB-X10 will be advanced as a deep boring, to provide vertical extent of petroleum <br /> hydrocarbons in soil and groundwater at 20' below ground surface (bgs), 40' bgs, and <br /> 60' bgs; while the remaining SB-X borings will be advanced to first water, approximately <br /> 20' bgs. A summary of the 2005 Site Investigations was given in my previous letter <br /> dated 7 June 2012. <br /> The Workplan proposed soil and groundwater analyses for total petroleum <br /> hydrocarbons as diesel (TPHd) and TPH as motor oil (TPHmo) by USEPA Method <br /> 8015B (8015M), and volatile organic compounds (VOCs) by USEPA Method 826013. <br /> Select soil samples will also be analyzed for nitrate, sulfate and sulfide (USEPA Method <br /> 300), manganese, iron (USEPA Method 200.7) and total dissolved solids (USEPA <br /> Method 160.1). Four monitoring wells (MW-1 through MW-4) near B-15 will also be <br /> sampled for TPHd, TPHmo and VOCs if the wells can be located. <br /> The Workplan is approved with the following modifications: <br /> • TPHg by USEPA Method 8015M shall be added to the list of analyses. <br /> KARL E. LONGLEY ScD, P.E., CHAIR I PAMELA C. CREEDON P.E.. BCEE, EXECUTIVE OFFICER <br /> 11020 Sun Center Drive#200,RanCno COrCOva,CA 95670 , www waterboards Ca.gov/centralvalley <br /> C*j RI'CVCLDD FAFCP <br />