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COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twe mile Cosl Co. CDPS N0. CO-0027154 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: ~romelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference 75% >]00% Steel's/Dunnett's <br />Pass/Fail Fail N/A <br />1Csy 60.0% >I00% Bootstra <br />Pass/Fail Fail N/A <br />TEST T-vtE & DATE START ] 205 PM 04/25/00 END 1130 AM 05/02/00 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 ]00 100 100 100 100 100 <br />Da 3 100 100 100 ]00 100 l00 <br />Da 4 100 100 77.5 100 100 100 <br />Da 5 100 100 65.0 100 92.5 97.5 <br />Da 6 97.5 ]00 55.0 97.5 70.0 75.0 <br />Da 7 97.5 100 52.5 97.5 45.0 57.5 <br /> <br />7 Da Mean Wei 0.392 0.442 0.274 0.385 0.222 0.283 <br /> <br />H aximum/Minimum 8.4/7.7 8.4(1.7 8.4!7.8 8.5/7.7 8.3/7.5 8.2/7.5 <br />RECEIVING WATER USED FOR DILUTION? ~ TOTAL RESIDUAL Cl" (mg/1): <0.1 <br />HARDNESS (mg/11' REC'V WATER EFFLUENT 1577 RECON WATER: 117 <br />ALKALINTfY (~I' REC' V WATER- EFFLUENT' 305 RECON WATER' 85 <br />TOT AMMONIA (mg/lY INITIAL 100%' <1 0 FINAL 100%• <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />-~ <br />~_ <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: Cdr ~~~ ~• <br />4/14/00 <br />COM MERCIAL TESTING 8 ENGINEERING CO. <br />1 Watermarked For Your Protection ~~~ <br />