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• ~ • <br /> EVERGREEN AN TICAL, INC. <br /> 4036 Youngfield Street Wheat Ridge, CO 80033 <br /> (303) 425-6021 <br />Date Received 12/28/90 Client Project 219-9J-042 <br />Date Sampled 12/27-28!90 Lab Pro ject No. 10102 <br />Date Prepared 12/28/90-1/10/91 Matrix Water <br />Date Analyzed 12/28/90-1/10/91 Methods See below <br />Client Sample # DFMW-1 DFMW-2 DFMW-3 DFMW-4 DFSW-2 DFSW-3 DFSW-4 <br />Evergreen Sample # X30003 X30004 X30005 X30006 X30007 X30008 X30009 <br />pH"~ 7.31 7.57 7.05 7.45 7.47 7.63 6.30 <br />Spec. Conductance~Z~, <br />uMHO's/cm @ 25°C 594 384 1940 643 150 268 <20.0 <br />Total Dissolved Solids"~ ,mg/L 524 340 2590 658 171 231 66 <br />Total Suspended Solids°j ,mg/L 48.5 404 511 4660 8.50 <5.0 <5.0 <br />Total Alkalinity~s~,mg Ca CO,/L 208 185 240 226 55.0 86.9 <5.00 <br />HCO~~S~,mg/L 253 226 293 279 67.2 106 <5.00 <br />CO3~5j,mg/L * + + + + + + <br />Anions~fi~ Chloride,mg/L 25.7 5.08 18.9 5.39 4.48 5.17 2.48 <br />Nitrite,mg/L <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <br />Nitrate,mg/L 0.43 <0.10 5.10 <0.10 0.324 0.203 <0.10 <br />Sulfate,mg/L 168 91.7 1300 264 33.9 83.0 <0.50 <br />Boron"~,ug/L <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 <br />Methods <br />~1~EPA 150.1 <br />~2~EPA 9050 <br />~S~Standard Methods 403 <br />~6JEPA 300.0 <br />"Standard Methods 404A <br />*pH too low for CO~2- to be present <br />"Standard Methods 209B <br />~d~Standard Methods 209C <br />Gnr~, ;,,~.~ <br />Quality Assurance Officer <br />