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.P <br /> ENVIRONMENTAL HEA I� TH'- DEPARTMENT <br /> o SA1�!�,T JOAQ�J�1�!T T �T <br /> (.®SiJNT g <br /> Unit S{P <br /> erNI50r5Donna K.Heran,R.E.H.S. Carl Borgman,R.E.H <br /> .S.m: Director 304 East Weber Avenue, Third!Floor <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S., R.D.I. <br /> • Douglas W. «ilson,R.E.H.S. <br /> Prog)-anT Manager <br /> Laurie A.Cotulia,R.E.H.S. Telephone: (209) 468--3420 Margaret Lagorio,R.E.H.S. <br /> Fax: (209) 464-0138 Robert N.fcClenon,R.E.KS, <br /> Pragranl 1l9artagtr Mark Barcellos,R.E.H.S. <br /> MARTIN HARRIS it FEB .0 9 200 , <br /> 51.51 ALMONDWOOD DRIVE I{ <br /># MANTECA CA 95337 <br /> RE: Tuff Boy Trailers Site Eode: # 1424 <br /> 5151 Ahnondwood Drive �[ <br /> Manteca CA 95337 <br /> WORKPLAN: Work Plan for Additional Investigation !I! <br /> DATED: Januar- 11,2005 <br /> PREPARED BY: Ground Zero Analysis,Inc. <br /> 'r l <br /> APPRO\TED: 1XI <br /> DISAPPROVED:[ ] <br /> �'Ik <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PL AN [H&S 25296.10(c)(3)1: <br /> 1. Installation of three shallow groundwater monitoring wells for investigationlof the lateral extent of the shallow plume. <br /> 2. advancement of one CPT boring and installation of one deep well for investigation of the vertical extent of the <br /> plume. This boring and well will be approximately 40 feet total depth;located downgradient to the source area. <br /> 3. Soil samples for analysis will be collected during the drilling of the boreholes for the wells. s <br /> 4. After installation the new wells will be surveyed to an established benchmark,and added to the quarterly <br /> groundwater monitoring and sampling program. it <br /> 31 <br />! COMMENTS AND CONDITIONS: <br /> 1. Please submit San)oaquin County Well Installation Permit and regtu'red 589.00 permit fee for each C-57 licensed <br /> drilling company contracted to perform work on the site j <br /> 2. A report of findings must be submitted to S C EHD within 60 days folio«ig completion p letion of all fieldwork. <br /> P g J / !{ P <br /> 3. Forty eight hours notice to SJC/EHD is required prior to any site work. <br /> I <br /> il <br /> Lori Duncan,Senior REHS \uel C.Henderson,Jr.,R.G. <br /> LOP/Site Mitigation Unit IV LOP/Site;Mitigation Unit IN' <br /> cc: James Barton,CVRWQCB <br /> i <br /> John Lane,Ground Zero Analysis,Inc. <br />