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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />• PERMITTEE NAME: Western Fuels-Colorado (New Horizon Mine) NPDES NO: <br />TYPE TEST: ROUTINE: X ACCELERATED: <br />50% MORTALITY TEST: X Pass Fail LC50: >100%. <br />DATE/1'IME TEST BEGAN: 3/17/98 2:45 p.m. <br />OUTFACE NO: 007 <br />TEST SPECIES: Fathead Minnows <br />STATISTICAL METHOD USED: None <br />DATER'IME TEST COMPLETED: 3/21/98 3:35 p.m. <br />Measurements <br />Dilutions (% Efkueot) <br />Control Receiving o 12,5% 25% ° ° <br />(0%) Water 6.25 /0 50 /0 100 /o <br />loitial 20 na 20 20 20 20 20 <br />Live aker 24 hrs 20 na 20 20 20 20 20 <br />after 48 hrs 20 na 20 20 20 20 20 <br />aker 72 hrs 20 na 20 20 20 20 20 <br />RECEIVING WATER USED FOR DILUTION? (Y of N) N TOTAL RESIDUAL CHLORINE, MG/L: <0.05 <br />• HARDNESS, MG/L: Receiving Water 1,133• Recon Water 412 Effluent 1,452 <br />ALKALINITY, MC/L: Receiving Water: 253• Effluent: 256 Recon: 262 <br />PH INITIAL: Control 8.40 100%7.95 FINAL: Control 8.40 100%7.92 <br />T AMMONIA AS N, MG/L: Initial 100%: 0_06 Final 100%: <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUH)ELINES? YES <br />IF NO, LIST THE DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: W R z ENVI ONMENTAL TESTING INC. ANALYST: LEE RAWLINGS DATE: 3/23 /98 <br />SIGNATURE: y~J ~' Date: -'~'~ 9PJ <br />COMMENTS: Results for Receivine Water chemistries was taken from Historical data. <br /> <br />