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HYDRO31563
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HYDRO31563
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Last modified
8/24/2016 8:55:12 PM
Creation date
11/21/2007 2:00:28 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Hydrology
Doc Date
8/2/2004
Doc Name
BioMonitoring Tests Report (April 28, 2004)
From
Mountain Coal Company, LLC
To
WQCD
Permit Index Doc Type
DMR’s
Media Type
D
Archive
No
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ABSTRACT OF RESULTS <br />Test Concentrations: Control, 100%, 50%, 25%, 12.5%, and 1.9% <br />Number of organisms in each concentration: 20 for D. magna, 40 for fathead minnows <br />Replicates at each concentration: 4 <br /> Daphnia magna Fathead <br /> minnows <br />Test vessel size 30 ml 260 ml <br />Exposure volume: 20 ml 200 ml <br />LC50 concentration: 44.48% >100% <br />Pass/Fail Status: FAIL PASS <br />Temperature range (°C): 19.0-20.8 20.1-21.0 <br />Dissolved oxygen range (ml/I): 6.8-7.7 5.7-10.2* <br />pH range during test: 8.1-8.9 7.7-9.0 <br /> Control 100% <br />Alkalinity (mg/I as CaCO3): 70/66 2000 <br />Hardness (mg/I as CaCO3): 90/96 53 <br />Total residual chlorine (mgll): ** <0.01 <br />Total ammonia in effluent (mg/I): *" <1.0/<1.0 <br /> initial/final <br />* Dissolved Oxygen above 10.0 on last day. <br />** Not analyzed. Na chlorine or ammonia used in reconstituted water formulation. <br />The SeaCrest Group 6 <br />
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