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Client: Western Fuels CO- 0000213 SCG Project No.: 312041.13 <br />Site: New Horizon Mine 013 <br />WET TEST REPORT FORM — CHRONIC <br />Permittee: Western Fuels Colorado Outfall: 013 <br />Permit No.: CO- 0000213 <br />Test Type: Routine ® Accelerated ❑ <br />Test Species: Ceriodaphnia dubia IWC: 100% <br />Test Start Test End <br />Time Test Start Date Time Test End Date <br />1100 01 -17 -2012 1030 01 -23 -2012 <br />Test Results <br />Lethality <br />Reproduction <br />NOEC <br />100% <br />100% <br />100 <br />PASS <br />PASS <br />IC25 <br />>100% <br />>100% <br />100 <br />PASS <br />PASS <br />Dilution(s) - % Effluent <br />Control <br />Measurements 0% <br />20% <br />40% 60% <br />80% <br />100% <br />% Survival for day 1 j 100 <br />100 <br />100 100 <br />100 <br />100 <br />% Survival for day 2 <br />100 <br />100 <br />100 100 <br />100 <br />100 <br />% Survival for day 3 <br />100 <br />100 <br />100 100 <br />100 <br />too <br />% Survival for day 4 <br />100 <br />t00 <br />100 <br />100 <br />100 <br />100 <br />100 <br />I 100 <br />% Survival for day 5 <br />100 <br />100 <br />100 <br />100 <br />o Survival for day 6 <br />100 <br />100 <br />100 <br />too <br />100 <br />100 <br />Mean 3 Brood Total <br />16.6 <br />15.8 <br />16.4 <br />i <br />1 16.5 <br />16.3 <br />15.9 <br />Hardness (mg/L) — Receiving Water: N/A Effluent: 1674/1918/2075 <br />Alkalinity (mg/L) — Receiving Water: N/A Effluent: 446/475/507 <br />Chlorine (mg/L) — Effluent: <0.01 pH (initial/final) — Control: 8.2/8.4 <br />Total Ammonia as NH, (mg/L) - Effluent: 3.99 /4.35/3.50 <br />Were all Test Conditions in Conformance with Division Guidelines? YES <br />If NO, list deviations from test specifications: <br />Laboratory: SeaCrest Group <br />Comments: <br />Analyst's Name: Chelsea Justis and Katia Hannah <br />"Z i <br />( 43 ` i � <br />Recon Water: 82 <br />Recon Water: 63 <br />100 %: 7.7/7.8 <br />I <br />QTC <br />SeaCrest Group 18 <br />