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<br /> <br />1 <br />Pl1R.~G ON <br />CONSULTING GROUP <br />' SENT VIA CERTIFIED MAIL <br />Certified Number 7099 3400 0017 2911 0483 <br />~~SERVICE, QUALITY, AND 1NNOVATION~~ <br />' October 9, 2001 <br />Ms. Julie Cotter <br />' Colorado Department of Public Health and Environment <br />Hazardous Materials & Waste Management Divisio^ <br />Mail Code HMWMD-CP-B2 <br />' 4300 Cherry Creek Drive South <br />Denver, Colorado 80246-1530 <br />t RE: Site Characterization Report <br />Aggregate Industries F Street Facility <br />4509 F Street <br />' Greeley, Colorado <br />Project Number 1001018 <br />' Dear Ms. Cotter <br />I10] Ci.k NrL Drne, $urtc I10 <br />~x ('dL~u, co aosts <br />PMrc 19701 )771600 <br />r.. 19701 )77~IBB0 <br />wv.p,yon~.mm <br />Dnvlo M. Rnu, P. E, DEE <br />SmrrA Rvrxwunn, P.E <br />Bucc Sxrtx, P.E <br />Jnurs M. Txowts, P.E <br />Bu,~ c. woxun <br />Snvu+A Maur, P.E. <br />Awr D. wrsrR EI.T. <br />Hrwrxm S. Alnrwnx <br />Enclosed are two (2) copies of the Site Characterization Report for the above-referenced site. <br />' Groundwater monitoring wells were installed at the site in July 2001 to obtain information <br />regarding water quality at the site. Based on analytical results for groundwater samples <br />collected from the site on July 25, 2001, it does not appear that additional groundwater <br />' remediation is warranted at the site a[ this time. Paragon recommends [hat one (1) additional <br />groundwater monitoring well be installed at the site and that three (3) additional quarters of <br />groundwater monitoring be performed a[ the site to confirm that significant petroleum <br />hydrocarbon contamination in groundwater is not present at the site <br />Please read the attached report for a summary of the assessment activities performed at the site. <br />' If you have any questions or require additional information, please contact us. <br />Sint:erely, <br />' PARAGON CONSULTING GROUP, INC. ~j~ <br />t Scott A. Rutherford, E. David au, P.E., DEE <br />Senior Project Engineer Principal Engineer <br />' SAR/DMR:sar2 <br />enc: Site Characterization Report (2 Copies) <br />cc: Ms. Connie Davis/Aggregate Industries -WCR, [nc. (2 Copies) <br />Ms. Jamie Gaboriau/Aggregate Industries -WCR, [nc. <br />' Ms. Cindy Etcheverry/Weld County Department of Environmental Health <br />Ms. Kate Pickford/Colorado Division of Iviinerals and Geology <br />' ENVIRONMENTAL ENGINEERING AND GEOHYDROLOGY <br />