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' ADDRESS ALL CORRESPONDE NCE iq <br />COMA'ERCIAL TESTING 8 ENGINEERING CC <br />0556 PARIS STREET SVITE &200 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE o E EAR co <br />FA%. 13IXiV 773-0791 <br />PERMITTEE: Twentvmlle Coal Company CDPS NO.: CO-0042161 OUTFACE: 115 <br />' TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: D. magna <br />TEST RESULTS: LCD,: >100° STATISTICAL METHOD: Binominal <br />TEST TIME 8 DATE: BEGIN: 0955 AM 1!27104 END: 1040 AM 1/29/04 <br />DILUTIONS (% EFFLUENT) <br />1 <br />1 <br />1 <br />MEASUREMENTS Oy(e 12.5'/e 25'/~ 50'/~ 75Yi 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' (mgll): b0.1 <br /> HARDNESS (mgll): RECEIVING WATER: EFFLUENT: 460 RECON WATER: 240 <br />1 EFFLUENT <br />985 RECON W ATER <br />RECEIVING WATER <br />INI <br />Y <br />/l 130 <br /> : <br />(mg <br />: <br />: <br />ALKAL <br />T <br />): <br /> pH: INITIAL: CONTROL 8.0 100% EFFLUENT 8.9 <br /> FINAL: CONTROL 8.0 100% EFFLUENT 9.1 <br /> TOTAL AMMONIA AS N (mg/l): INITIAL 100%: 43.0 FINAL 100%: 43.0 <br /> WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br /> IF NO. LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br /> <br /> LABORATORY: SGS MINERALS SERVICES DIVISION ANALYST: ~ ~' 3~ ~" <br /> COMMENTS: <br /> 04108/03 <br /> <br />' (~ ~ ~ ~ ~ ,.~,~~,.' I ~ ~t55 n~;r~s•n AK.~rc itOE, ~~anbad. it n0148 Ile.>;il !b)~4:0.1 1163JI Fi3~~i~,'1G <br />'. m+•w.sg+.cc+n <br /> w.e., r a f63Oroq isrw GON'w M Smv.er~c•I <br />