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COLORADO -CDPS WET TEST REPORT FORM -CHRONIC' <br />PERMITTEE: Twentymile Coal Co. CDPS NO. CO-0027] 54 OUTPACE: 005 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P.promela.c <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >]00% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />ICs >]00% >l00% BOOtstra <br />Pass/Fail Pass N/A <br />TEST TIIv1E & DATE START 1225 PM 06/OS/O] END ] 030 AM 06/12/01 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da ] % Survival 100 100 100 100 100 100 <br />Da 2 100 100 ]00 100 100 100 <br />Da 3 100 100 100 100 100 ]00 <br />Da 4 100 100 100 100 100 100 <br />Da 5 100 100 100 100 100 100 <br />Da 6 100 100 97.5 100 97.5 ] 00 <br />Da 7 ] 00 100 95.0 100 97.5 100 <br /> <br />7 Da Mean D Wei ht 0.756 0.817 0.870 0.915 0.935 0.973 <br /> <br />H (Maximum/Minimum) 8.5/7.8 8.6/8.1 8.6/8.2 8.6/8.5 8.7/8.5 8.7/8.4 <br />RECEIVING WATER USED FOR DII.UTION? NO TOTAL RESIDUAL Cl" (mg/I): <0.1 <br />HARDNESS (m~/I): REC'V WATER: EFFLUENT: 778 RECON WATER 103 <br />ALKALINITY (mg/1LRE_C'V WATER: EFFLUENT: 442 RECON WATER• 88 <br />TOT. AMMONIA (mg/Il: 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 />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: (~-~^~ ~"" <br />4/14199 <br />COMMERCIAL TESTING & ENGINEERING CO. <br />~Onpinei Gopy Weiermarxec ~~~ <br />For Your Pio~enion <br />:.aer <br />