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COLORADO -CDPS W'ET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Comoanv CDPS NO CO-0000221 OUTFACE: 008 <br />TYPE TE$T RO[1TINE: XX A('CELE_R_ATED: TEST SPECIES N.~~romelac <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference 50% 6.8% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />ICis 296°io 236°io Bootstra <br />Pass/Fail Fail N/A <br />~ TEST TIME & DATE START i 1420 PM ! 0,~02!0I END _ 1220 PR1 10/09/0! <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 6.8% 25% 50% 7S% 100% <br />Day 1 % Survival 100 100 100 100 100 100 <br />Day 2 100 100 100 100 100 100 <br />Da 3 100 100 I00 100 100 100 <br />Da 4 100 65.0 72.5 62.5 27.5 85 0 <br />Da 5 100 52.5 72.5 60.0 20.0 72.5 <br />Da 6 ]00 37.5 60.0 45.0 10.0 62.5 <br />Da 7 100 32.5 52.5 27.5 10.0 52.5 <br /> <br />7 Da Mean Drv Weieht 0.738 0.163 0.251 0.101 0.034 0.261 <br /> <br />pH (TVtaximum/I~linimum) 8.5/8.0 8.518.0 8.4/8.1 8.bi8. I 8.618.2 8.6/8.2 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RES[DUAL CI- (mg/I): <0.1 <br />HARDNESS (me/I) REC'V WATER: EFFLUENT: 1798 RECON WATER: 117 <br />ALKALINITY (me/1): REC'V WATER: EFFLUENT: li0 RECON WATER: 90 <br />TOT AR~Qv10NIA ~I): lNIT1AL 100%: <LO FINAL 100% <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORRrIANCE W[TH DIVISION GUIDELINES? YES <br />IF NO, LIST D1V1AT10NS FROM TEST SPECIFICATIONS <br />L.~.BOR.4TORY: COR~[A~RC1,4L TESTING & ET`!GINEERING ANALYST: <br />/ i y <br />~1 C.'l.t..~l: ~.~...... <br />4! 14!99 <br />COMMERCIAL TESTING & ENGINEERING CO. <br />Onginal Copy WaiermarkM <br />Fay Ypur PrO~ecnon <br />F 46fi <br />Lt6 <br />