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~G~ <br />COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentymile Coal Company CDPS NO.: CO.0036684 OUTFACE: 62 FCT <br />TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: P.promelas <br />TEST RESULTS: LCD: >100° STATISTICAL METHOD: Binomial <br />TEST TIh1E & DATE: BEGIN: 0900 6/1412006 END: 0900 6!1812006 <br /> <br /> DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># START OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS: <br /># ALIVE AFTER 48 HRS: 40 <br />39 40 <br />39 40 <br />40 40 <br />40 40 <br />40 39 <br />36 <br />q ALIVE AFTER 72 HRS: 39 38 40 39 40 35 <br /># ALIVE AFTER 96 HRS: 39 36 38 37 36 35 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI ~ (mg/L) : <0.1 <br />HARDNESS (mglL): RECEIVING WATER: EFFLUENT: 610 RECON WATER: 78 <br />ALKALINITY (mg/L): RECEIVING WATER: EFFLUENT: 358 RECON WATER: 65 <br />pH: INITIAL: CONTROL 8.1 100% EFFLUENT 8.0 <br />FINAL: CONTROL 7.8 100% EFFLUENT 8.2 <br />TOTAL AMMONIA AS N (mglL): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br /> <br />WERE ALL TEST CONDITIONS IN CONFORh1ANCE WITH DIVISION GUIDELINES9 YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br /> <br />I <br />h A <br />ri fi_ <br />ANALYST: Sto o Z ni a Grimmetl <br />me <br />nc <br />ca <br />LABORATORY: SGS Nort <br />COMMENTS: <br />04/06103 <br />6 <br />• n. <br />