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COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twent~m;le Coal Co. CDPS NO.' CO-003fi68d OUTFACE. 82 FCT <br />TYPE TEST ROUTINE: XX ACCELERATED: _ TEST SPECIES: P. promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />- <br />Concentration with Statistical pifierence >100°r° i %1:IJ°.-„ Steel's Many-One <br />Pass/Fail Pass NIA <br />IC;; Point Estimate >100% >100% Bootstrap <br />Pass/Fail Pass NiA <br /> <br />TEST TIh1E 8 DATE START 9/11x2007 1000 END 9!18!2007 1000 <br /> <br /> f111 I ITIr1N I4% FFFI I IFAITI <br />MEASUREMENTS ~ CONTROL 12.5% 25°!0 50% 7S% 100% <br />Day 1 % Survival ; 100 100 100 100 I 100 100 <br />Day 2 100 100 100 100 100 100 <br />Day 3 100 100 100 100 100 t00 <br />Day 4 100 100 I 100 100 100 100 <br />Day 5 100 100 100 100 100 100 <br />Da 6 97.5 100 100 97.5 95 97.5 <br />Day 7 97.5 100 100 97.5 95 95 <br /> <br />7 Day Mean Dry Weight 0.339 0.301 0.310 0.306 0.331 0.372 <br /> <br />pH (Maximum-Mirnmum) 7.917.2 7.9x7.4 8.1!7.4 8.2,7.6 8.217 7 8.517.7 <br />RECEIVING VYATER USED FOR DILUTIONS NO TOTAL RESIDUAL CI (mgll) <0.1 <br />HARDNESS__(mgllZ:_ REC'V WATER: EFFLUENT_ _ 140.0 RECON WATER: 70 <br />ALKALINITY {mgll): REC'V WATER: EFFLUENT: .393__ RECON WATE_R;_ 81 <br />TOTAL AMMONIA,.{mgll): _ INITIAL 100°/d =D 3 FINAL 100%: =0 1 <br />WERE ALL TEST CONDITIONS IN CONFORh1ANCE WITH DIVISION GUDELINES? YES <br />IF NO, LIST DEVIATIONS FROh1 TEST SPECIFICATIONS: <br />LAE30RATORY: SGS NORTH .41~1ERIC.A INC ANALYST: KH,rKW <br />h <br />