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<br />I: <br />I_ <br /> <br />~~~ COMMERCIAL TESTING & ENGINEERING CO <br />s~~E ~~~~ COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Bear Coal ComRan~ CDPS NO.: CO-0044377 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECS: P. yromelas <br /> <br />TEST RESULTS: LC;°: > l00°ro STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 1125 AM 09/24/02 END 1035 AM 09(28/02 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 1.7% 25% 50% 75% 100% <br /># START OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS 40 40 40 40 40 40 <br /># ALIVE AFTER 48 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 72 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 96 HRS: 40 40 40 40 40 40 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI ~ (mg/1): N/A <br />HARDNESS (mg/1}: RECEIVING WATER: EFFLUENT: 270 RECON WATER: 125 <br />ALKALINITY (mgQ): RECEIVING WATER: EFFLUENT: 2010 RECON WATER 95 <br />- pH: INITIAL: CONTROL 8.5 100% EFFLUENT 8.8 <br />- FINAL: CONTROL 8.1 100%EFFLUENT 9.1 <br />TOTAL AMMONIA AS N (mg/1): INITIAL 100%: N/A FINAL 100%: N/A <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />J IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />"~ LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: CrL.C~c,c,.~~ ~~ <br />COMMENTS: Effluent received discolored dark amber]. Ammonia colorimeter not useful due to effluent <br />discoloration. <br />4(14/99 <br />~' <br /> <br />`~ r-;zs <br />