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COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twentymde Coal Co. CDPS NO. CO-0034142 OUTFACE: 5 D <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C. dubia <br />TEST RESULTS LETHALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >100°io Fisher/ Bonferronl T-test <br />PasslFail Pass N/A <br />IC;sPoint Estimate >100% >100% Bootstrap <br />Pass/Fail Pass N1A <br /> <br />TEST TIME & DATE START 1200 4/10/2007 END 1200 4117/2007 <br /> DILUTION f% FFFI L1FNT1 <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Day 1 % Survival 100 100 100 100 100 100 <br />Day 2 100 100 100 100 100 100 <br />Day 3 100 100 100 100 100 100 <br />Day 4 100 100 100 I 100 100 100 <br />Day 5 100 100 100 100 100 100 <br />Day 6 100 100 100 100 100 100 <br />Da 7 100 90 100 100 90 90 <br /> <br />Mean 3 Brood Total 19.8 26.7 29.0 28.8 29.0 22.4 <br /> <br />pH (Maximum/Mrnimum) 8.3/7.8 8.7J7.9 8.3/7.2 8.5/7,9 8.5/7.9 8.7/7.8 <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CC (mg/1): <0.1 <br />HARDNESS ~m_g_)II : REC'V WATER• EFFLUENT: 650 RECON WATER: 80 <br />ALKALINITY Lmg/l); REC'V WATER: _ __ ,EFFLUENT: 644 RECON WATER: 80 <br />TOTAL AMMONIA_~mg/l~:__ INITIAL 100%: <0.1 FINAL 100%___ <0.1 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: SGS NORTH AMERICA INC. ANALYST: KHlKW <br />