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COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br />PERMITTEE:Pittsburgh and Midwav Mining CDPS NO. CO-0032638 OUTFACE 004 <br /> <br />TYPE TEST: ROUTINE: XX ACCELERATED: _ TEST SPECIES: P. oromelas <br /> <br />TEST RESULTS: LC50: >100 % STATISTICAL METHOD: Probit <br /> <br /> <br /> <br />TEST TIME & DATE: BEGIN 12:10 PM 11 / 5 / 97 END 12:15 PM 11 / 9 / 97 <br /> <br /> <br /> DILUTIONS ($ EFFLUENTI <br /> <br />MEASUREMENTS CONTROL(0%) 12.5 % 18 % 50 % 75 % 100 % <br /> <br />NO. @ START OF TEST: 20 20 20 20 20 20 <br /> <br />N0. LIVE AFTER 24 HRS: 20 20 20 20 20 20 <br /> <br />AFTER 48 HRS: 20 20 20 19 20 20 <br /> <br />AFTER 72 HRS: 20 20 20 18 18 20 <br /> <br />AFTER 96 HRS: 20 20 19 17 18 19 <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOT. RESID. CHLORINE, MG/L: 100% <0.1 <br /> <br />HARDNESS, MG/L: RECEIVING WATER EFFLUENT 1515 RECON WATER 130 <br /> <br />ALKALINITY <br />MG/ L: RECEIVING WATER EFFLUENT 320 RECON WATER 100 <br />, <br />PH: INITIAL - CONTROL 8.0 100% 7.8 FINAL - CONTROL 8.2 100% 8.4 <br />T. AMMONIA AS N, MG/L: INITIAL - 100% <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: FINAL - 100% <1.0 <br />GUIDELINES? YES <br /> <br />LABORATORY: Commercial <br />COMMENTS: Testing & Engineering ANALYST ~ ~~"'~ <br /> <br /> <br /> 7/1/9 <br /> COMMERCIALTESTINO tr EN GIN EE RING CO. <br />)rlplnel Copy WetermarkW <br />For Your Protaollon ~~~ <br />1 <br />Fi <br />