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i. <br />s <br />i <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />[ PERMITTEE: TwenNmile Coal Company CDPS NO.: CO-0036684 OUTFACE; 62-FCT <br />I' TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: C. dubia <br />TEST RESULTS: LCD: >100% STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN: 1310 PM 07/13/04 END: 1255 PM 07/16/04 <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 17 18 18 18 17 <br /># ALIVE AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? NO <br />HARDNESS (mg/I): RECEIVING WATER: <br />TOTAL RESIDUAL CI " (mg/I): <0.1 <br />EFFLUENT: 2380 RECON WATER: 130 <br />ALKALINITY (mg/I): RECEIVING WATER: EFFLUENT: 245 RECON WATER: 90 <br />pH: INITIAL: CONTROL 7.6 100% EFFLUENT 8.1 <br />I FINAL: CONTROL 7.7 100% EFFLUENT - 8.0 <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 COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: /~.. <br />~ 04/08/03 , / ~ <br /> <br />' Fd26 <br />