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<br />COLORADO - CDPS WET TEST REPORT FORM-ACUTE <br />pFRMiTTFF: pittsbure & Midway Coal Co. CDPS NO.: CO-0032638 OUTFACE: 007 <br />' TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: C. dubia <br />TEST RESULTS: LCso: > 100% STATISTICAL METHOD: Binomial <br />1 TEST TIME & DATE: BEGIN 1450 PM 12/07/99 END 1400 PM 12/09/99 <br />DILUTIONS (% EFFLUENT) <br /> <br /> <br /> <br /> <br />MEASUREMENTS 0% 18% 25% 50% 75% 100% <br /># START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 20 20 20 <br /># ALIVE AFTER 48 HRS: 20 20 20 20 20 15 <br /> <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. Cl ' (mg/1): <0.1 <br />HARDNESS (mg/l): RECEIVING WATER: 195 EFFLUENT: 2665 RECON WATER: 120 <br />ALKALINITY (mg/l):RECEIVING WATER: 140 EFFLUENT: 330 RECON WATER 80 <br />' pH: INI'T'IAL: CONTROL 8.1 100% EFFLUENT 8.1 <br />FINAL: CONTROL 7.6 100% EN-FI,UINf 7.8 <br />' TOTAL AMMONIA AS N (mgll): 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: C;.Gu-- ~---~`- <br />' COMMENTS: <br />4/14/99 <br />COMMERCIAL TESTING & ENGINEE RING CO. <br />1 Ongma~ Cooy Waiermarxea ~~~ <br />For Yaur aro~eaion <br />a66 <br />