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r <br />' A:~paE Sb :.LL GOf14EjPt''RJEI.CE .Q <br />COMMERCIAL TES?ING A EN(;P,EERWG GO <br />4655 PARIS STREET, SUITE 8-200 <br />OENVER, C.O 80239 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE rEL (3031373-A72 <br />' EAX~ (3C31373~79t <br />PERMITTEE: Twentvmile Coal Comoanv CDPS NO.: CO-0036684 OUTFACE: 62-FCT <br />' TYPE TEST: ROUTINE: XX ACCELERATED: _ SPECIES: P. promelas <br />TEST RESULTS: LCx: >100% STATISTICAL METHOD: Binomial <br />1 <br />TEST TIME 8 DATE: BEGIN: 110 0 AM 09109!03 END: 1110 AM 09!13! 03 <br /> <br /> DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0°k 12.5°/i 2571 50% 75% 100% <br /># START OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 48 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 72 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 96 HRS: 40 40 40 40 40 40 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI " (mg/l): X0.1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 2185 RECON WATER: 135 <br />ALKALINITY (mg/I): RECEIVING WATER: EFFLUENT: 255 RECON WATER: 85 <br />pH: INITIAL: CONTROL 8.4 100% EFFLUENT 8.2 <br />FINAL: CONTROL 8.1 100% EFFLUENT 8.3 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE 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 /> <br />COMMENTS: <br />04/08/03 <br /> <br />S Erquteerrrp Co Minerals Sarvrces ~ Lap°r4t[ Oprx <br />1919 S Ilr~dnA Ave Sl:~tc 7tOp Lan88r0. Il 601 A6 t 16 3 01 953 93 0 0 I f630i J63.9.306 www.lgt odn <br />