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1 <br />1 <br />' ~ ADDRESS ALL CORRESPONDENCE TU <br />GDMMERCIAI TESTING 8 ENGINEERING CO. <br />aBBS PARIS STREET. SIIiTE 8-200 <br />DENVER, CO 80238 <br />' COLORADO -CDPS WET TEST REPORT FORM -ACUTE Tei 13°al ar3~rn <br />FA% 1303) 375-1741 <br />PERRIITTEE: Twentvmile Coal Company CDPS NO.: CO-0027154 OUTFACE: 005 <br />' TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: D. magna <br />' TEST RESULTS: LCD: >100% STATISTICAL METHOD: Binomial <br />' TEST TIME 8 DATE: BEGIN: 1105 AM 12/06/03 END: 1155 AM 12/08/03 <br />DILUTIONS (°<, EFFLUENT) <br />1 <br />MEASUREMENTS 0°k 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 20 20 20 20 20 <br /># ALIVE_AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br />' RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI' (mg/I): <0.1 <br />' HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 945 RECON WATER: 220 <br />ALKALINITY (mg/I): RECEIVING WATER: EFFLUENT: 190 RECON W ATER: 125 <br />pH INITIAL: CONTROL 8.0 100% EFFLUENT 8.4 <br />FINAL: CONTROL 8.6 100% EFFLUENT 8.6 <br />' TOTAL AMR40NIA AS N (mg/l): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />' 1NERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />' IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: SGS MINERALS SERVICES DIVISION ANALYST:~~ <br />COMMENTS: ~O~ _O <br />U4~U810~ <br />1 ~ ~ ~ i ~ i re t i <br />b 11.1 II '~~.u ~ I Ir. oLaul I i1'k 1~,:i1il :~f p~dl~ li i YC.. ia~h wv. w._s c,n~ <br />,.." M.eih. a in. ws G.mp laxwa. Lm4.4 d sunw.a.l <br />