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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Pittsburg & Midway Coal Co. CDPS NO.: CO-0032638 OUTFACE: 004 <br />TYPE TEST: ROUTINE: _ ACCELERATED: XX TEST SPECIES: P.~romelas <br />TEST RESULTS: LCso: > 100% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 0950 AM 04/02/02 END 0940 AM 04/06/02 <br />DILUTIONS (% EFFLUENT} <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># @ START OF TEST: 40 40 40 40 40 40 <br /># ACNE AFTER 24 HRS: 40 40 40 40 40 40 <br /># ACNE AFTER 48 HRS: 40 40 40 40 40 40 <br /># ACNE AFTER 72 HRS: 40 40 40 40 40 40 <br /># ACNE AFTER 96 HRS: 40 40 40 40 39 40 <br />RECENING WATER USED FOR DILUTION? NO TOTAL RESID. Cl " (mg/1): <0.1 <br />HARDNESS (mg/1): RECENING WATER: EFFLUENT: 820 RECON WATER: 90 <br />ALKALINTI'Y (mg/1):RECENING WATER: EFFLUENT: 110 RECON WATER: 75 <br />pH: INITIAL: CONTROL 8.5 100% EFFLUENT 7.9 <br />FINAL: CONTROL 8.2 100% EFFLUENT 8.1 <br />TOTAL AMMONIA AS N (mg/1): IN11TAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WTI'H DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: Accelerated test #1 <br />4/14/99 <br />