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W ~'. T. Inc. <br />1~~ & Env(ronmenta! Testine /nc 479 West 50 Norlh. American Fark Ulah 84003 /8011756-8397 <br />Acute Whole Effluent Toxicity Chemical Result Report <br />Mazch 10, 1997 <br />CUSTOMER NAME: PHONE NUMBER: (801)864-2165 <br />Western Fuel Colorado (New Horizon Mine 007) FAX NUMBER: (801)864-2168 <br />Attn: Todd LeFevre <br />P.O. Box 628 <br />Nucla, CO 81424 <br />SAMPLE DESCRll'TION: <br />Chemistries to go with Acute 2 Species Toxicity Test Collected 3/3/97. <br />Sample Test Log Acute Acute <br />Source Performed Number Ceriodaphnia Minnow <br />Effluent Total Hardness, Recon (EPA 130.2) 1678 44 ] rog/L 441 mg/L <br />Total Hardness, Effluent (EPA 130.2) 1678 1,948 mg/L 1,948 m@/L <br />• Total Hardness, Receiving Water (EPA 130.2) Na na mg/L na mg/L <br />Ammonia, Effluent (EPA 350.2/350.3) 1678 0.63 mg/L 0.63 mg/L <br />Ammonia, Receiving Water (EPA 350.2/350.3) Na na mg/[, na mg/L <br />Initial Chlorine Residual (EPA 330.5) 1678 <0.05 mg/L <0.05 mg1L <br />Final Chlorine Residual (EPA 330.5) 1678 na mg/L na mg/L <br />Conductivity, Effluent (EPA 120.1) 1678 2,930 umhos/cm 2,930 umhos/cm <br />Alkalinity, Effluent (EPA 310.1) 1678 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 310.1) Na na mg/L CaCO, na mg/L CaCO, <br />Recon Initial pH (EPA 150.1) 1678 8.46 8.46 <br />After 24 hours pH (EPA 150.1) 1678 8.48 8.40 <br />100% Initial pH (EPA 150.1) 1678 7.86 7.86 <br />100%After 24 hours pH (EPA 150.1) 1678 8.06 7.97 <br />Receiving Water lnilial pH (EPA 150.1) Na na na <br />Receiving Water After 24 hours pH (EPA 150.1) Na na / ~~ //n/a~ <br />Anal Lee Rawlings, Cherr6st <br />Water & nvironmental Testing, Inc. <br />