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~G~ <br /> COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br /> <br />PERMITTEE: Twent ymile Coal Company CDPS NO.: CO-0027154 OUTFACE: 005 <br />TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: D. magna <br /> <br />TEST RESULTS: LCD: >100% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN: 0900 AM 06/14/06 END: 0900 AM 06!16106 <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 <br /># ALIVE AFTER 48 HRS: 19 20 <br />20 20 <br />18 20 <br />20 20 <br />20 20 <br />19 <br />;f AL1VF AFTER 72 HRS: <br />I ;; i11_I`1E.,'~f=Tf R'~f HRS: <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI' (mg/L) : <0.1 <br />HARDNESS (mg/L): RECEIVING WATER: EFFLUENT: 391 RECON WATER: 155 <br />ALKALINITY (mg/L): RECEIVING WATER: EFFLUENT: 75 RECON W ATER: 111 <br />PH; INITIAL: CONTROL 8.5 100% EFFLUENT 9.4 <br />FINAL: CONTROL 8.5 100% EFFLUENT 8.3 <br />TOTAL AMMONIA AS N (mg/L): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br /> <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />k <br />uni a Gri <br />LABORATORY: SGS North America Inc. ANALYST: Sto mmett <br />COMMENTS: 04108/03 <br />