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Client: Cotter Corporation CO-0001244 SCG Project No.: 3101187 <br />Site: Schwartzwalder Mine WWTF <br />WET TEST REPORT FORM - CHRONIC <br />Permittee: Cotter Corporation Outfall: 001A <br />Permit No.: CO-0001244 <br />Test Type: Routine ® Accelerated ? <br />Test Species: Fathead minnow IWC: 100% <br />Test Start Test End <br />Time Test Start Date Time _ _Test End Date <br />----------- - -------- ------- - ---------- - ---- <br />1100 12-28-2010 1115 01-04-2011 <br />Test Results Lethality, Growth <br />Conc. with Stat. Difference >100% >100% <br /> PASS N/A <br />IC25 <br />>100% <br />>100% <br /> PASS N/A <br />Tla..tinnle\ - 04 Ffflm-nt <br />Hardness (mg/L) - Receiving Water: N/A Effluent: 310/313/312 Recon Water: 82 <br />Alkalinity (mg/L) - Receiving Water: N/A Effluent: 117/101/116 Recon Water: 57 <br />Chlorine (mg/L) - <0.01 pH (initial/final) - Control: 8.2/7.7 100%:7.4/8.0 <br />Total Ammonia as NH3 (mg/L) - Effluent: <0.03/0.04/<0.03 <br />Were all Test Conditions in Conformance with Division Guidelines? YES ® NO ? <br />If NO, list deviations from test specifications: <br />Laboratory: SeaCrest Group <br />Comments: <br />Analyst's Name: Melissa Mimna, Dustin Facteau, and Danica Taber <br />1 1-? Date 0 \ \Q,\\ <br />SeaCrest Group <br /> <br />Measurements Control <br />:(0%) <br /> <br />12.5% <br /> <br />25% <br /> <br />50% <br /> <br />75% <br /> <br />100% <br />% Survival fords 1 100 100 100 100 100 100 <br />% Survival fords 2 100 100 100 98 100 98 <br />% Survival for day 3 100 90 95 92 88 90 <br />% Survival for day 4 95 82 90 92 85 88 <br />% Survival for day 5 92 82 85 88 85 82 <br />% Survival for day 6 92 82 85 85 80 82 <br />% Survival for day 7 92 82 85 85 80 82 <br />Mean D Wt. (mg) 0.385 0.368 0.365 0.342 0.347 0.339 <br />H Max./MiIr 8.2/7.7 8.1/7.7 °8.0/7,7 807.7 8.177.6. 8.1/7.4 <br />23