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Client: Mountain Coal Company CO-0038766 <br />Site: RPE Crossing <br />SCG Project No.: 305139 <br />WET TEST REPORT FORM -ACUTE <br />Permittee: Mountain Coal Company <br />Outfall(s): 017 (RPE Crossing) <br />Permit No.: CO-0038766 <br />Test Type: Routine ® Accelerated ^ <br />Test Species: Daphnia magna <br />Test Results Statistical Begin Begin End End <br />(LC50} Method Test Date Test Time Test Date Test Time <br />>100% Probit 06-07-2005 1500 06-09-2205 1410 <br />Dilutions) - % Effluent <br />L r ~ a , ~ sMS :Control a , t ' 'a ~ <br />~ <br />~ "_ ~ ~ 4 `=~~,' x'~ " <br />~ <br />~ ~ ~ ~ <br />~ ;, ~~ts" .~; <br />,'Measurements, ,~` ~ ,v~{OJ°)F~ 1 9,10 , <br />; <br />, l2_.SJq, <br />~„ ., ,., ~ ~ ,:~ .,, <br /># at Start of Test 20 20 20 20 20 20 <br /># live after 24-howl 20 20 20 20 20 20 <br /># live after 48-hours 20 20 20 19 20 19 <br />Hardness (mg/1) -Receiving Water: N/A Effluent: 97 Recon Water: 97 <br />Alkalinity (mg/1) -Receiving Water: N/A Effluent: 1360 Recon Water: 62 <br />Chlorine (mg/I) - <0.01 pH (initial final) -Control: 8.2/8.1 100%: 9.0/9.1. <br />Total Ammonia as NHs (mg/1} - <I.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, LLC <br />Comments: <br />Analyst's Name: Holly Garrett and Richazd Morgan <br />'~/,~._ <br />Date o io <br />The SeaCrest Group 10 <br />