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I ---~~ <br />I I FIYiFf SS ALL C.ORRESGONDE NCE TO <br />C0411lFRQA; TESTING 6 ENGIHEFRING CO. <br />:bLS R4RI$ STREET, SURE &ZO° <br />DENVER. CO °M]F <br />OLORADO -CDPS WET TEST REPORT FORM -ACUTE TEL: (30~j J73-~7~ <br />' Fkl(: (30~ 37}787 <br />PERt~71TTEE Twentymlle Coal Company CDPS NO.: CO-0042161 OUTFACE: 115 <br />I TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: D. manna <br />TEST RESULTS: CCs,,: >100% STATISTICAL METHOD: Probit <br />I <br />I TEST TIME & DATE: BEGIN: 1015 AM 10!28/03 END: 1110 AM 10/30!03 <br />DILUTIONS (% EFFLUENT) <br />' MEASUREMENTS 0°h 12.5% 25% 50°h 75% 100°h <br /># a START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 20 20 19 <br /># ALIVE AFTER 48 HRS: 20 20 19 19 13 g <br />I # ALIVE AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br />I RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI ' (mg/l): <0.1 <br />HARDNESS (mg/i): RECEIVING WATER: EFFLUENT: 455 RECON WATER: 220 <br />I ALKALINITY (mg/I): RECEIVING WATER: EFFLUENT: 870 RECON W ATER: 170 <br />I PH INITIAL: CONTROL 8.4 100% EFFLUENT 8.6 <br />FINAL: CONTROL 8.5 100% EFFLUENT 8.9 <br />TOTAL AMMONIA AS N (mgA): INITIAL 100%: 43.0 FINAL 100%: 43.0 <br />4'JERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />I IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: SGS MINERALS SERVICES DIVISION ANALYST: ~~•3-~ 2 <br />COMMENTS: ~rr~ J <br /><, <br />