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~l <br />II <br />LTA COMMERCIALTESTING & ENGINEERINGOO. <br />..~ _ COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentymile Coa] Company CDPS NO.: CO-0027154 OUTFACE: 005 Pond D <br />II <br />'I <br />it <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: D. magna <br />TEST RESULTS: LCso: >l00% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 1150 AM 02/28/02 END ]250 PM 03/02/02 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># START OF TEST: 20 20 20 20 20 ZO <br /># ALIVE AFTER 24 HRS: 20 20 20 20 20 20 <br /># ALIVE AFTER 48 HRS: 20 20 20 20 20 19 <br /> <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. C] " (mg/1): <0. ] <br />HARDNESS (mg/1): RECEIVING WATER: EFFLUENT: 935 RECON WATER: 205 <br />ALKALINITY (mg/1): RECEIVING WATER: EFFLUENT: 250 RECON WATER: 170 <br />pH: INITIAL: CONTROL 8.6 100% EFFLUENT 7.9 <br />FINAL: CONTROL 8.6 100% EFFLUENT 8.7 <br />TOTAL AMMONIA AS N (mg/l): INITIAL ] 00%: <1.0 FINAL 100%: a .0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />iF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: <br />~~~ <br />4/14/99 <br />