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,- <br />COMMERCIAL TESTING & ENGINEERING CO. <br />GENERAL OFFICES: 7919 SOUfH HIGHLAND AVE. SUffE 210-8, LOMBApD. IWNOIS 60748 • TEL: 630-853-9300 FA%: fi30-963-9306 <br />SINCE r906~ <br />v ~ <br />September 22, 1998 <br />TWENTYMILE COAL COMPANY <br />29515 Routt County Rd. 27 <br />Oak Creek CO 80467 <br />Kind of Sample Water <br />G5 Member of Na SOS Group tSooete GAnerale tle Surveillance) <br />1908-1998 90 Years Commitl_o To Excellence <br />SAMPLE ID: 84 POND D <br />SAMPLE DATE: 09/02/98 <br />SAMPLE TIME: 12:10 <br />Date Received September 3, 1998 <br />Analysis report no <br />PARAMETER <br />Conductivity <br />Settleable Solids <br />Total Dissolved <br />Solids, TDS <br />Total Suspended <br />Solids, TSS <br />_ pH <br />Hardness as <br />CaC03 <br />Method Reference: <br />72-390097 <br />ADDRESSALLCORRESPONDENCE TO <br />406.5 PARIS $TREF <br />SUITE &200 <br />DENVER, CO 60239 <br />TEL (303) 373-~77~ <br />FA%: (303) 373-1791 <br /> DETECTION ANALYZED <br />RESIILTS IINITS METHOD LIMIT DATE/TIME ANAL' <br />3510 umhos/cm SM2510-B 0.1 09-03-1998/1600 D_: <br /><0.1 mg/L/h SM2540-B 0.1 09-04-1998/0630 D.; <br />4403 mg/L SM2540-C 10 09-04-1998/1030 :C <br />12 mg/L SM2540-D 5 09-04-1998/1030 {_ <br />8.09 s.u. SM4500H-B 0.01 09-03-1998/1600 L:. <br />2640 mg/L SM2340-8 1 09-03-1998/1545 ?._ <br />"Standard Methods for the Examination of Water and Wastewater," <br />18th Edition, 1992; APHA-AWWA-WEF. <br />Resoec tlully subminetl. <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />~ M E M B E F <br />~ v / .. <br />~~ ~vv"1 <br />Denver Laboratory <br />OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL GOAL MINING AREAS. TIDEWATER AND GREAT LAKEB PORTS, AND RIVER LOADING FACILITIES <br />F-~ ~ -' , , <br />