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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE NAME: Western Fuels-Colorado (New Horiwn Mine) NPDES NO: OUTFACE NO: 007 <br />TYPE TEST: ROUTINE: X ACCELERATED: TESL' SPECIES: Fathead Minnows <br />5090 MORTALITY TEST: X Pass _ Fail LC50: > 100%. STATISTICAL METHOD USED: None required <br />DATE/I'D1~ TESL' BEGAN: 10/11/96 7:30 p.m. DATE/LIME TESL' COMPLETED: 10/15/96 8:30 p.m. <br />Measurements <br />Dilutions (9o Ef'tluent) <br />Control Rettiviog 6.2590 12.590 2590 5090 10090 <br />(090) Water <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 20 20 20 <br />after 72 hrs 20 na 20 20 20 20 20 <br />after 96 hrs 20 na 20 20 20 20 20 <br />RECEIVING WATER USID FOR DH,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 />ALKAI.IIYI1'P, MG/L: Receiving Water: 253• Effluent: 300 Reoon: 398 <br />PH INITIAL: Control 8.49 100% 7.71 FINAL: Control 8_44 100% 8.11 <br />T AMMONIA AS N, MG/L: India] 100%: 0.56 Final 100%: _ <br />WERE ALL TESL' CONDITIONS IN CONFORMANCE Wl'I'H DMSION GUIDELINES? YES <br />IF NO, LISP THE DEVIATIONS FROM TESL' SPECIFICATIONS: <br />LABORATORY: WA R & ENVIRONMENTAL TESTING INC. ANALYST: LEE RAWLINGS DATE: 10/21/96 <br />SIGNATURE: Qi1ir~ Date: /0// /ly <br />COMMENTS: Results for Receiviae Water chemistries was taken from Historical data. <br />