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HYDRO20346
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HYDRO20346
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Last modified
8/24/2016 8:41:41 PM
Creation date
11/20/2007 1:28:38 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008
IBM Index Class Name
Hydrology
Doc Date
8/5/2005
Doc Name
2nd Quarter 2005 DMRs (CO-000213)
From
Western Fuels-Colorado, LLC
To
WQCD
Permit Index Doc Type
DMR’s
Media Type
D
Archive
No
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<br />Results <br />• WHOLE EFFLUENT TOXICITY BIOASSAY <br />The efFluent sample did not indicate acute toxicity towards Pimephales promelas and Daphnia <br />magna survival. The following table highlights statistical endpoints for each species tested: <br />SPECIES LCso ICZSO NOEC° LOECs <br />Fathead minnow >100% - 100% >100% <br />Daphnia magna >100% 100% >100% <br />• EFFLUENT AND LABORATORY WATER CHEMISTRIES <br />PARAMETER EFFLUENT MEDIUM HARD <br />LAB WATER HARD LAB <br />WATER <br />Dissolved Oxygen (mglL) 9.7 8.3 8.0 <br />pH (Standard Units) 8.0 8.0 6.1 <br />Hardness (mg/L CaC03) 1595 120 210 <br />Alkalinity (mglL CaCOa) 295 80 135 <br />Ammonia (mg/L as N) <1.0 <1.0 <1.0 <br />Residual Chlorine (mglL) =0.2 <0.1 <0.1 <br />Conductivity (µmhos/cm) 2790 420 640 <br />• FATHEAD MINNOW AND DAPHNIA MAGNA SURVIVAL DATA <br />CONCENTRATION ORGANISMS EXPOSED <br />DM FH MORTALITIES <br />DM FH % MORTALITY <br />DM FH <br />100% 20 40 0 0 0.00 0.00 <br />75% 20 40 0 0 0.00 0.00 <br />50% 20 40 0 0 0.00 0.00 <br />25% 20 40 0 0 0.00 0.00 <br />12.5% 20 40 0 1 0.00 2.50 <br />Control 20 40 0 0 0.00 0.00 <br />3 Inhibition Concentration at 25% Reduction <br />° No Observed Effect Concentration <br />s Lowest Observed Effect Concentration <br />F.s:s <br />
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