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COLORADO -CDPS \\'ET TEST REPORT FORM -ACUTE <br />PERNIITTEE: Twentvmile Coal Co. CDPS NO.: CO-0042]61 OUTFACE: FCBH-115 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: D.ma~aa <br />TEST RESULTS: LCSO: 58.02% STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN 1245 PM 01/08/02 END ]230 PM 01/10/02 <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 16 <br /># ALIVE AFTER 48 HRS: 20 20 20 12 6 ] <br /> <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. Cl - (mg/1): <0.1 <br />HARDNESS (mg/1): RECEIVING WATER: EFFLI_TENT: 715 RECON WATER: 225 <br />ALKALINITY (mg/1): RECEIVING WATER: EFFLUENT: 970 RECON WATER: 170 <br />pH: INITIAL: CONTROL 8.6 100% EFFLUENT 8.3 <br />FINAL: CONTROL 8.5 ]00% EFFLUENT 8.6 <br />TOTAL AMMONIA AS N (mg/1): INITIAL ] 00%: X4.0 FINAL 100%: ;.A.O <br />WERE ALL TEST COI~TDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NQ LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: c.~: ~'~ <br />COMMENTS: <br />4/]4/99 <br />86 <br />ginal Watermarked For Vour ProteMion <br />COMMERCIAL TE STING & ENGINEERING CO. <br />LTA <br />wl.a .v <br />