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COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br />,PERMITTEE:Pittsburgh 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 />-TEST TIME & DATE: BEGIN 10:15 AM 7 / 29 / 98 END 9:50 AM 8 / 2 / 98 <br />DILUTIONS (% EFFLUENT) <br />ASUREMENTS CONTROL(0%) 12.5 % 25 % 59 % 75 % 100 <br />0. @ START OF TEST: 20 20 20 20 20 20 <br />~O. LIVE AFTER 24 HRS: 20 20 20 20 20 20 <br />' AFTER 48 HRS: 20 20 20 20 20 20 <br />AFTER 72 HRS: <br />zo zo zo zo 20 <br />l AFTER 96 HRS: 20 20 20 20 20 20 <br />~ECEIVING WATER USED FOR DILUTION? NO <br />TOT. RESID. CHLORINE, MG/L: 100% <0.1 <br />HARDNESS, MG/L: RECEIVING WATER 170 EFFLUENT 2045 RECON WATER 110 <br />KALINITY, MG/L: RECEIVING WATER 130 EFFLUENT 275 RECON WATER 90 <br />~ <br />PH: INITIAL - CONTROL 8.3 100% 7.6 FINAL - CONTROL 8.3 100% 8.1 <br />~i'. AMMONIA AS N, MG/L: INITIAL -. 100% <1.0 FINAL - <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? <br />IIF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: Commercial Testing- & Encrineering ANALYST-~L~ 2?'- ~~ <br />COMMENTS: <br /> <br />orlBlnal Watermarketl For Your Protection <br />COMMERCIALTESTING & ENGINEERING CO. <br />L~ <br />100% <1.0 <br />YES <br />7/1 <br />