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L16. COMMEPCIAL TESTING d ENGINEENING CO. <br />6iNCE i%BN <br />COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentymile Coal Co. CDPS NO.: CO-0036684 OUTFACE: FCT-#62 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: ~romelas <br />TEST RESULTS: LCSO: >100% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 0910 AM 07!03!02 END 0915 AM 07/07/02 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 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 38 38 40 39 <br /># ALIVE AFTER 96 HRS: 40 39 37 38 40 39 <br />RECEIVING WATER USED FOR DII.,UTION? NO TOTAL RESID. CI " (mg/1): ~2 <br />HARDNESS (mg/1): RECEIVING WATER: EFFLUENT: 2$35 RECON WATER: 115 <br />ALKALII~iITY (mg/I): RECEIVING WATER: EFFLUENT: 220 RECON WATER 90 <br />pH: INITIAL: CONTROL 8.5 100%EFFLUENT 8,0 <br />FINAL: CONTROL 8.2 100% EFFLUENT 8.3 <br />TOTAL AMMONIA AS N (mgR): INTI'IAL 100%: <1.0 FINAL ]00°!0: <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: l~^^-~ <br />COMMENTS: <br />04/14/99 <br />