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W ~'. T. Inc. <br />Water & Environmental Testinr Inc. 235 West 400 South. American Fork„ (Itah 84003 (801)763-0660 Fax(801)763-0440 <br />Acute Whole Effluent Tonicity Chemical Result Report <br />January 5, 2002 <br />CUSTOMER NAME: PHONE NUMBER: (970)864-2165 <br />Western Fuels Co. (New Horizon Mine) FAX NUMBER: (970)864-2168 <br />Attn: Tony Adkins <br />P.O. Box 628 <br />Nucla, CO. 81424 <br />SAMPLE DESCRIPTION: <br />Chemistries to go with Acute 2 Species Toxicity Test Collected 12/26/01. <br />Sample Test <br />Source Performed Log <br />Number Acute <br />Ceriodaphnia Acute <br />Minnow <br />Effluent Total Hardness, Recon (EPA 130.2) 4862 180 mg/L 180 mg/L <br />Total Hardness, Effluent (EPA 130.2) 4862 2,732 mg/L 2,732 mg/L <br />Total Hardness, Receiving Water (EPA 130.2) Na na mg/L na mglL <br />Ammonia, Effluent (EPA 350.2/350.3) 4862 2.79 mg/L 2.79 mg/L <br />Ammonia, Receiving Water (EPA 350.2/350.3) Na na mg/L na mglL <br />Initial Chlorine Residual (EPA 330.5) 4862 <0.05 mg/L G0.05 mg/L <br />Final Chlorine Residual (EPA 330.5) 4862 na mg/L na mg/L <br />Conductivity, Effluent (EPA 120.1) 4862 4,350 umhos/cm 4,350 umhos/cm <br />Alkalinity, Effluent (EPA 310.1) 4862 462 mg/L CaC03 462 mg/L CaCO, <br />Conductivity, Receiving Water (EPA 120.1) Na na umhos/cm na umhos/cm <br />Alkalinity, Receiving Water (EPA 310.1) Na na mg/L CaC03 na mg/L CaC03 <br />Recon Initial pH (EPA 150.1) 4862 7.98 7.98 <br />After 24 hours pH (EPA 150.1) 4862 8.08 7.89 <br />100% Initial pH (EPA 150,1) 4862 7.66 7.66 <br />100% After 24 hours pH (EPA 150.1) 4862 7.93 7.85 <br />Receiving Water Initial pH (EPA 150.1) Na na na <br />Receiving Water After 24 hours pH (EPA 150.1) Na na na <br /> Ana t: Lee Rawlins hemist <br />g, <br /> Water Environmental Testing, Inc. <br />Page 6 of 9 <br />