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Client: Mountain Cosl Company CO - 0038776 <br />Site: West Elk Miue Outfa11017 <br />SCG Project No.: 306048 <br />WET TEST REPORT FORM -ACUTE <br />Permittee: Mountain Coal Company <br />Outfall(s): 017 <br />Permit No.: CO-0038776 <br />Test Type: Routine ® Accelerated ^ <br />Test Species: Daphnia magna <br />Test Results Statistical Begin Begin Eud End <br />(LC50) Method Test Date Test Time Test Date Test Time <br />>100% Probit 01-20-2006 1630 01-22-2006 1550 <br />Dilutions) - % Effluent <br />~. h' ~2 y nY.x ~ ~ ~ d" 4sVPSiiII ~ p ti~~ ~~ ~ <br />Qq~~ .. 4'e ,~' (P'f~}c^ ~~ orb <br /># at Start of Test 20 20 20 20 20 20 <br /># live after 24-hours 20 20 20 20 20 20 <br /># live after 48-hours 19 20 20 20 19 19 <br />Hazdness (mg/I) -Receiving Water - N/A Effluent - 32 Recon Water - 89 <br />Alkalinity (mg/1) -Receiving Water - N/A Effluent -1590 Recon Water - 66 <br />Chlorine (mg/1) - <0.01 pH (initial/final) -Control - 8.3/8.1 100% - 8.2/9.0 <br />Total Ammonia as N (m~/1) - <1.0 <br />Were all Test Conditions in Conformance with Division Guidelines? YES ®NO <br />If NO, list deviations from test specifications: <br />Laboratory: The SeaCrest Group <br />Comments: <br />Analyst's Name: Holly Garrett and Heather Walsh <br />OI <br />The SeaCrest Group 13 <br />