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SGS <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Seneca Coal Company CDPS NO.: CO-0000221 OUTFACE: 011 <br />TYPE TEST: ROUTINE: XX ACCELERATED: SPECIES: C. dubia <br />TEST RESULTS: LGo: >100°o STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN: 1150 AM 04/13/04 END: 1100 AM 04/15/04 <br /> <br /> DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER_24_HRS: 20 20 20 20 20 20 <br /># ALIVE AFTER 48 HRS: 20 20 19 20 19 19 <br /># ALIVE AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI " (mgA): <0.1 <br />HARDNESS (mgll): RECEIVING WATER: EFFLUENT: 260 RECON WATER: 135 <br />ALKALINITY (mg/1): RECEIVING WATER: EFFLUENT: 125 RECON WATER: 80 <br />pH: INITIAL: CONTROL 8.2 100% EFFLUENT 8.2 <br />FINAL: CONTROL 7.8 100% EFFLUENT 8.3 <br />TOTAL AMMONIA AS N (mg/I}: 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: SGS MINERALS SERVICES DIVISION ANALYST: i~ ~~ <br />COMMENTS: ~~fJ~ ~r <br />04108!03 <br />6 <br />~ _• <br />