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COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br />PERMITTEE:Pittsburcrh and Midway Mining CDPS NO. CO-0032638 OUTFACE 007 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P. promelas <br />TEST RESULTS: LC50: >100 % STATISTICAL METHOD: Binomial <br />r <br /> TEST TIME & DATE: BEGIN 2:15 PM 3 / 23 / 99 END 12:10 PM 3 / 27 / 99 <br /> <br /> DILUTIONS (% EFFLUENT) <br /> TS CONTROL(0%) 12 <br />5 % 25 % 59 % 75 % 100 % <br /> MEASUREMEN . <br /> NO. ~ START OF TEST: 40 40 40 40 40 40 <br /> <br /> NO. LIVE AFTER 24 HRS: 40 39 40 38 40 40 <br /> AFTER 48 HRS: 40 39 39 38 40 40 <br /> <br /> AFTER 72 HRS: 40 39 38 38 40 39 <br /> AFTER 96 HRS: 40 39 38 38 40 38 <br /> <br /> RECEIVING WATER USED FOR DILUTION? NO TOT. RESID. CHLORINE, MG/L: 100% <0.1 <br /> HARDNESS, MG/L: RECEIVING WATER 160 EFFLUENT 2125 RECON WATER 105 <br /> ALKALINITY, MG/L: RECEIVING WATER 100 EFFLUENT 290 RECON WATER 85 <br /> <br /> PH: INITIAL - CONTROL 8.4 100% 7.9 FINAL - CONTROL 8.0 100% 8.1 <br /> T. AMMONIA AS N, MG/L: INITIAL - 10 0% <1.0 FINAL - 100% <1.0 <br /> <br /> WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />~ <br /> IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br /> <br />^ 1, <br />LABORATORY: Commercial Testing & Engineerincx ANALYST ~'"'~`~~ <br />COMMENTS: <br />7/1/93 <br /> <br />COMMERCIALTESTING 8 ENGINEERING CO. <br />~~ Ltd <br />Original Watermarked For Your Vratection , <br />