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' COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br /> <br />1 PERMITTEE: Pittsburgh and Midway Mining CDPS NO. CO-0032638 OUTFACE 007 <br /> TYPE TEST: ROUTINE: XX ACCELERATED: - TEST SPECIES: C. dubia <br /> <br /> <br /> <br /> TEST RESULTS: LC50: >100 % STATISTICAL METHOD: Probit <br /> <br /> <br /> <br />' TEST TIME & DATE: BEGIN 11:05 AM 3 / 23 / 99 END 10:25 AM 3 / 25 / 99 <br /> <br /> DILUTIONS (% EFFLUENT) <br /> MEASUREMENTS CONTROL(0%) 12.5 % 25 % 59 % 75 % 100 <br />' N0. C~ START OF TEST: 20 20 20 20 20 20 <br /> N0. LIVE AFTER 24 HRS: 20 20 20 20 20 20 <br />' AFTER 48 HRS: 20 20 20 20 18 15 <br /> AFTER 72 HRS: <br />' AFTER 96 HRS: <br /> <br />' RECEIVING WATER USED FOR DILUTION? NO <br />HARDNESS, MG/L: RECEIVING WATER TOT. RESID. CHLORINE, MG/L: 100% <0.1 <br />160 EFFLUENT 2125 RECON WATER 105 <br />' ALKALINITY, MG/L: RECEIVING WATER 100 EFFLUENT 290 RECON WATER 85 <br /> PH: INITIAL - CONTROL 8.4 100% 7.9 FINAL - CONTROL 8.4 100% 8.3 <br /> T. AMMONIA AS N, MG/L: 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 uu^^ ~-~-p <br />' COMMENTS <br />' 7/1/93 <br />COMMERCIAL7ESTINO & ENGINEERING CO. <br />IF.~ Ltd <br />Original Watermarketl For Your Protection ;, <br />