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<br />r <br />1 <br />~F-466 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Pittsbur~& Midway Coal Co. CDPS NO.: CO-0032638 OUTFACE: 007 <br />TYPE TEST: ROUTINE: ACCELERATED: XX TEST SPECIES ~ D. mnQna <br />TEST RESULTS: LCso' > 100% STATISTICAL METHOD: Probit <br />TEST TIIVIE & DATE: BEGIN 10] 5 AM 03!28/01 END 1035 AM 03/30/01 <br />DII.UTIONS (% EFFLUENT} <br />ifEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 20 ZO 20 <br /># ALIVE AFTER 48 HRS: ZO 20 19 l7 20 17 <br /> <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI " (mg/1): <0.1 <br />HARDINESS (mg/l): RECEIVII3G WATER: EFFLUENT: 2105 RECON WATER: 105 <br />ALKALINITY (mg/1):RECEIVING WATER: EFFLUENT: 275 RECON WATER: 85 <br />pH: INITIAL: CONTROL 8.5 100% EFFLUENT 3.1 <br />FINAL: CONTROL 8.4 I00% EF'F'LUENT 8.3 <br />TOTAL AMMONIA AS N (mg./I): INITIAL 100%:. Non-Detect 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 />CO~fiV1ENTS: Accelerated test #1 <br /> <br />4/14/99 <br />COM MERCIAL TE STING & ENGINEERING CO. <br />„~. ,~ ~~~ <br />