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L1E. COMMERCIAL TESTING 6 ENGINEE RING CO. <br />S1HCE 1TIBs <br />COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMIT i'EE: Twemymile Coa] Co. CDPS NO.: CO-0036684 OUTFACE: FCT-#62 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P~romelas <br />TEST RESULTS: LCso: > 100% STATISTICAL METHOD: Binomial <br />TEST TIlVIE & DATE: BEGIN 1300 PM 04/10/02 END 1250 PM 04/14/02 <br />DILUTIONS (°!o EFFLUENT} <br />MEASUREMENTS 0% IZ.S% 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): ~.4 <br />HARDNESS (mg/1): RECEIVING WATER: EFFLUENT: 1510 RECON WATER: 105 <br />ALKALINITY (mg/1}:RECEIVING WATER: EFFLUENT: 360 RECON WATER: 90 <br />pH: INITIAL: CONTROL 8.5 100% EFFLUENT 8. I <br />FINAL: CONTROL 8.1 100% EFFLUENT 8.2 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: <I.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS TN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING &c ENGINEERING ANALYST: <br />COMMENTS: <br />~ / - -~/ <br />04f 14/99 <br />i. <br />r <br />~' <br />~1 <br />