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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />•PERMTTTEE NAME: Western Fuels-Colorado (New Horiwn Mine) NPDES NO: OUTFACE NO: 007 <br />~1'YPE TEST: ROUTINE: X ACCELERATED: TEST SPECIES: Fathead Minnows <br />50% MORTALITY TEST: X Pass Fail LC50: > 100%. STATISTICAL METHOD USED: Noue required <br />DATE/I'I11D/ TESL' BEGAN: 10/11/96 7:30 p.m. DA'TElI'IME TESL' COMPLETED: 10/15/96 8:30 p.m. <br />Measurements <br /> <br />Control <br />(0%) <br /> <br />Receiving <br />Water <br />Dilutions (S'o Efllueot) <br />tS,25% <br />12.5% <br /> <br /> <br />53'0 <br /> <br /> <br />0% <br /> <br /> <br />00% <br />Initial 20 na 20 20 20 20 20 <br />Live after 24 hrs 20 na 20 20 20 20 20 <br />after 48 hrs ~ 20 na 20 20 2t? 20 20 <br />after 72 hrs 20 na 20 20 20 2U 20 <br />after 96 hrs 20 na 20 20 20 20 20 <br />RECEIVING WATER USED FOR DII,UTION? (Y of N) N TOTAL RESIDUAL CHLORINE, MG/L: <0.05 <br />HARDNESS, MG/L: Receiving Water 1,133` Recon Water 1,110 Effluent 1,657 <br />ALKALINITY, MG/L: Receiving Water: 253` Effluent: 300 Recon: 398 <br />`'H INITIAL: Control 8_49 100%n 7.71 FIIVAL: Control 8_44 ]00%n 8.11 <br />T AMMONIA AS N, MG/L: Initial 100%: 0.56 Final 100%: <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LISP THE DEVIATIONS FROM TESL' SPECQ~'ICATIONS: <br />LABORATORY: WAT R & ENVIRONMENTAL TESTING INC. ANALYST: LEE RAWLiNGS DATE: 10/21/96 <br />SIGNATURE: ~~ Date: /0/Z/ /9(y <br />COMMENTS: Results for Receiving Water chemistries was taken from Historical data. <br />`J <br />