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<br />COLORADO - CDPS W~ T TEST REPORT FORM -ACUTE <br />PERMITTEE: Peabo~i Coal COPS # CO.0000213 OUTFACE: Nucla Mine 001 <br />TYPE TEST: ROUTINE-~ ACCELERATED:- TEST SPECIES/AGE: Fathead Minnow 4 day, <br />TEST RESULTS: IWC: ,'),L% CONTROL MORTALITY: 5% LC50 = >1 ° <br />50% MORTALITY LIMIT: ~ PASS CONC W/ STAT. SIGNIFICANT MORTALITY: None <br />SAMPLE TYPE: ~ GRAB COMPOSITE TIME/DATE ',§/28/92 1720 <br />:, <br />ANALYSIS: (DATE -TIME) BEGIN S/29/92 1645 END ]/3/92 1730 <br />No.ALIVE DILUTIONS (% EFFLUENT) <br />MEASUREMENT. RECON_ .0°,6 6.25% 12.5% 25% 50% _100% <br />{NtTIAL-~~' ~ ` ~ '- .20" 20 20 20 20 '. 20 20 <br />24 HAS ~ 20 20 19 19 20 20 20 <br />48 HRS 20 20 19 19 20 20 20 <br />72 HRS 19 20 19 19 20 20 20 <br />96 HRS R : - -_.19 ,_~. . 19 19~. 19 20 ~ 20. 20 <br />MAX/MIN VALUES - "• - DILUTIONS (% EFFLUENT) - <br />MEASUREMENT RECON 0% 6.25% 12.5°k 25% 50°~ ~ 100% <br />_ <br />Dissolved 02 <br />7.2/6.8 ~ <br />7.5/8.6 <br />7.8/6.5 <br />8.0/6.5 <br />8.0/8.6 -~ <br />8.1/8.3/ <br />8.0/6.4 <br />Temp. (C) 20/20 21/20 21!20 21/20 20(20 20!20 20/20 <br />CHEMISTRY <br />MEASUREMENT HARDNESS <br />mgll ALKALINITY <br />mg/I pH <br />INIT FINAL TOT. AMMONIA <br />INIT FINAL T. RESID. <br />CHLORINE • DECHLOR <br />SAMPLE? <br />RECEIVING 160 - 8.70 8.29 - - - No <br />EFFLUENT 1040 - 8.14 8.52 <0.2 0.23 <0.02 No <br />RECON 180 - 8.21 8.39 ~ - - - No <br />RECEIVING WATER USED FOR DILUTION? YE,~ SAMPLE AERATED? __~ <br />LABORATORY: AQUA SURVEYS. So. Jordan.. UT_ 801-254-7091 ANALYST: Randall S. Isham <br />COMMENTS: ~ <br />