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W.~'.7'. Inc. ~~~ ~~~~~~~~~~~~~~~~ <br />Water do Envlrontnenta/ TesNna 1ne 399 Wat 1200 North. B O-tm. Utah 81057 (801)23.1~9711 Fax/801)23~9J60 <br />n <br />Acute Whole Effluent Toxicity Chemical Result Report <br />March 25, 2000 <br />CUSTOMER NAME: PHONE NUMBER: (970)864-2165 <br />Western Fuels Co. (New Horizon Mine 007) 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 3/20/2000. <br />Sample Test <br />Source Performed Log <br />Number Acute <br />Ceriodaphnia Acute <br />Minnow <br />Effluent Total Hardness, Recon (EPA 130.2) 2946 184 mg/L 184 mg/L <br />Total Hardness, E(Iluent (EPA 130.2) 2946 1,764 mg/L 1,764 mg/L <br />Total Hardness, Receiving Water (EPA 130.2) Na na mg/L na mg/L <br />Ammonia, E(Fluent (EPA 350.2/350.3) 2946 .59 mg/L .59 mg/L <br />Ammonia, Receiving Water (EPA 350.2/350.3) Na na mg/L na mg/L <br />Initial Chlorine Residual (EPA 330.5) 2946 <0.05 mg/L <0.05 mg/L <br />Final Chlorine Residual (EPA 330.5) 2946 na mg/L na mg/L <br />Conductivity, Effluent (EPA 120.1) 2946 ],310 umhoslcm 1,310 umhos/cm <br />Alkalinity, Effluent (EPA 310.1) 2946 388 mg/L CaCO, 388 mg/L CaCO~ <br />Conductivity, Receiving Water (EPA 120.1) Na na umhos/cm na umhos/cm <br />Alkalinity, Receiving Water (EPA 510.1) Na na mg/L CaCO~ na mglL CaCO~ <br />Recon Initial pH (EPA 150.1) 2946 8.33 8.33 <br />After 24 hours pH (EPA 150.1) 2946 8.33 8.15 <br />100% Initial pH (EPA ISO.I) 2946 7.95 7.95 <br />10096 After 24 hours pH (EPA 150.1) 2946 8.03 7.97 <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 />V <br />Ana :Lee Rawlings, Chemist <br />Water nvuonmental Testing, Inc. <br />