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COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br />PERMITTEE: Pittsburgh and Midway Mining CDPS NO. CO-0032638 OUTFACE 004 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C. dubia <br />TEST RESULTS: LC50: >100 % STATISTICAL METHOD; Binomial <br />TEST TIME & DATE: BEGIN 10:30 AM 3 / 10/ 98 END 10:20 AM 3 / 12 / 98 <br /> <br /> DILUTIONS (% EFFLUENTI <br />MEASUREMENTS CONTROL(0%) 12.5 % 25 % 59 % 75 % 100 % <br /> <br />NO. @ START OF TEST: 20 20 20 20 20 20 <br /> <br />NO. LIVE AFTER 24 HRS: 20 20 20 20 20 20 <br /> <br />AFTER 48 HRS: 20 20 20 20 20 20 <br />AFTER 72 HRS: <br /> <br />AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? NO TOT. RESID. CHLORINE, MG/L: 100 % <0.1 <br />HARDNESS, MG/L: RECEIVING WATER 150 EFFLUENT 2015 RECON WATER 120 <br />ALKALINITY, MG/L: RECEIVING WATER 100 EFFLUENT 345 RECON WATER 45 <br /> <br />PH: INITIAL - CONTROL 7.7 100% 7.7 FINAL - CONTROL 8.0 100% 8.3 <br />T. AMMONIA AS N, MG/L: INITIAL - 100% <1.0 FINAL - 100% <1.0 <br /> <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF N0, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br /> <br />LABORATORY: Commercial Testincr & Engineering ANALYST ('~unn iL.ti+-~ <br />COMMENTS: <br />COMMER CIALTESTING & EN GIN EEHING CO. <br />7/1/93 <br />Ltd <br />~ri9 anal Watermarketl For Your Proleclion <br />