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<br />Chapman ,~ <br />Engineering ~~ <br /> <br />Attacru.ent A <br /> <br />CORPORATE QfFFlC <br />PO &"1. L' <br />BtX'mr. n-~ <br /> <br />\farch I.t 200 I <br /> <br />~fr. Tom Taggart <br />Duector. Publ1c Works <br />City of San Marcos <br />630 East Hopkms <br />San !v1arcos, Texas 78666 <br /> <br />lPST 10 ~o.: 92680 <br />Responsible Party: City of San Marcos <br /> <br />Case Priori~': <br /> <br />3.1 <br /> <br />TNRCC Facility tD ~o.: <br />Facility Name: <br />Facility Address: <br />Facility City, State, Zip: <br />TNRCC Region: <br /> <br />21680 <br />Flett Yard <br />630 East Hopkins <br />San "arcos, TX 78666 <br />11 <br /> <br />Proposed Acthity: <br /> <br />Four Quarters Ground-Water ~tonitoring. CE# 81250.P01 <br /> <br />Dear Mr. Taggart: <br /> <br />Chapman Engineering has completed its review of your historical documents regarding this lPST Case. At this time <br />there appear to be a few areas which require addressing. Accordingly, Chapman Engineering is proposing Quarter-ly <br />Ground Water Monitoring (4 events per year) to be followed with an Annual Ground Water Monitoring Report. <br /> <br />SCOPE OF SER\ilCE <br /> <br />Gaugmg - Chapman Engineering win Gauge all 27 of the existing wells during each visit. <br />Sampling - Chapman Engineering is proposing that a strict sampling protocol of nine -.-ells per visit be followed: <br />I" Qtr - M\V's - 1,7,8,38,60,65,69,71,74. 77 and 78. <br />2nd Qtr- MW's - 2, 3, 6, 45, 67,68, 72, 73, 75, 77 and 78. <br />3"' Qtr - MW's - 1,7,8,38,60,65,69, 71, 74. 77 and 78. <br />4. Qtr - MW's - 2, 3,6,45,67,68, 72, 73, 74. 77 and 78. <br /> <br />Additionally, in conjunction with sampling, Chapman Engineering is recommending that a set of Biodegradation <br />tndiators be obWned using Field Equipment to chlntcteri2le the subsurface environment IS I possible candidate fOJr <br />remediation using natural means. Bio Deg indicators should be obtained &om aU DDlitoring wens. Biodegradatiom <br />indicators will iDclude measuring pH. tanperaturc. Dissolved Oxygen (00), Iron Ccmeentration and Nitrate <br />Concentration. <br /> <br />A cost proposal worksheet is included for your review. Please note that the estimated cost on this project were arr!Jved <br />by using average or below-average rates for services when compared to 1997 TNRCC "Reimbursable Cost Guidclimes." <br /> <br />Thank you for this opportunity to provide our proposal. We understand your con<:cm for the environmental welIkmg , <br />your property, and your need to successfully comply with TNRCC directives. <br /> <br />(8.30) 816-3311 - (800) 37S.n47 . Fax (830) 816-3377 <br />E-mail: ceS@chapmanengr.com.wwv...cbapmanenp.com <br />