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Chapman <br />Engineering <br /> <br />133. <br />CORPORATE OFF. ICE: <br /> · P.O. Box 1305 <br /> Boeme, TX 78006 <br /> <br />February !2~ 2003 <br /> <br />Mr. Tom Taggert <br />Di~-ector, Water & x;V~ste Water <br />City of San Marcos <br />630 East Hopkins <br />Sm~ Marcos, Texas 78666 <br /> <br />l:~,espomlbl= Par~y: <br /> <br />92680 TNRCC Facility ID No.: 21680 <br />City of San l~rcos Faelllb' Name: :Fleet Yard <br /> Faeili~ Address: 630 East <br /> <br />ltopklm <br /> <br />FaeiliW Cit', Slate, Zip: <br /> <br />San Mottos, TX <br /> <br />78666 <br />Case Priori~d: 3A TNRCC Region: <br /> <br />Proposal for Stte Closure Activities and "Final Site Closure Report",/-,.PST #92680, <br />City Fleet Yard <br /> <br />Dear Tom: <br /> <br />Based on receipt of the Texas Commission on Environmental Quality (TCEQ) letter from Mr. <br />AbNjit Modak dated February 7, 2003, which approved site closure for the LPST case, <br />Chapman Engineering propose~ the following scope of work to ackieve final LPST site closure: <br /> <br />Kemo've alt g'm,u~d-water exlraetion or otb.e; remedia'fion equipment from <br />reeoveO' wells (pre. stoned to be in eight recovery. wells located in four recovery <br />trenches - TH-I, TH-2, DT-I and DT-2); <br />Properly plug and abandon (P & A) approximately 45 mm~itoring and recovery <br />wells (31 kmown monitoring wells, eight known recovery wells, four suspected <br />soil vapor ~urvey wells, two other probable wells observed th.rough cracked <br />asphalt lays, and other wells possible); <br />Dispose of all wastes generated b7 well plugging and pulling of subsur£aee <br />remedi, ation equipmtmt; <br />Dispose of roma/ainu ground water stored irt drums on site, and dig'pose of drums <br />once crap tied; <br />Prepare complete documentation of closure activities, including photos of well <br />abandortments, and submit final closure report to TN'RCC. <br /> <br />Costs are estimated below, in general accordance with TNrRcc "Reimbursable Cost Guidelines" <br />for those lasks that correspond to elos~e [i~e items. Becanse there are so many wells (m site, <br />"final closure" reporting costs allowed by TNRCC have been quadrupled. Costs for thi~ type af <br />report are proportional to the number ofwella h~volved. Typical LPST slteg with ground-water <br /> <br /> 6io-3311 - (800) 375-7/4'/ - t~aX (830) 816-3377 <br />g-,~mJl: c,s@chapmaneng~.com - www.ehapmanengr, eom <br /> <br />ATTACHMENT A <br /> <br /> <br />