2012-11-05_HYDROLOGY - C2009087

• Permit No: C2009087
• IBM Index Class Name: HYDROLOGY
• Doc Date: 11/5/2012
• Doc Name: 3rd Quarter 2012 DMRS ‎(CO-0048275)‎
• From: Peabody Sage Creek Mining, LLC
• To: WQCD
• Permit Index Doc Type: DMR’s
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

MEASUREMENTS
LETHALITY;
CONTROL
6.50%
Concentration w/ Statistical Difference
13.00%
25.00%
50.00%
100% -
Day 1 % Survival
N/A
100
100
>100%
100
100
100
100
Day 2
100
100
100
100
100
100
Day 3
100
100
100
100
100
100
Day 4
100
100
100
100
100
100
Day 5
100
100
100
100
100
100
Day 6
100
100
100
100
100
100
Day 7
100
100
100
100
100
100
7 Day Mean Dry Weight
1 0.413 1 0.381
1 0.377 1 0.385 1 0.403 1 0.422
pH (Maximum /Minimum)
1 7.22 -7.86 1 7.19 -7.54
f 7.09 -7.87 1 7.34 -8.06 1
7.46 -8.19 1 7.36 -7.90
TEST RESULTS
LETHALITY;
= GROWTH=
- - - STATISTICAL METHOD -
Concentration w/ Statistical Difference
>100%
>100%
Fisher's Exact/Dunnett's
Pass /Fail
Pass
N/A
1 C25
>100%
>100%
Bootstrap
Pass /Fail
Pass
N/A
COLORADO - CDPS WET TEST REPORT FORM - CHRONIC
PERMITTEE: Sage Creek Mine CDPS NO. CO- 00482T5 OUTFALL: 094- c, i
IWC: 100%
TEST TYPE: ROUTINE XX ACCELERATED TEST SPECIES: P. promelas
TEST TIME & DATE START Aug. 20, 2012 END Aug. 27, 2012
10:30 AM 10:30 AM
DILUTION (% EFFLUENT)
RECEIVING WATER USED FOR DILUTION? NO
WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES
IF NO, LIST ALL DEVIATIONS:
HARDNESS (MG /L) EFFLUENT: 1873 -1910
ALKALINITY (MG /L) EFFLUENT: 235 -294
T. AMMONIA (MG /L) INITIAL EFFLUENT: <1.0
T.RESIDUAL CHLORINE (MG /L) EFFLUENT: <0.1
MHW WATER: 80.5
MHW WATER: 76.5
FINAL EFFLUENT: <1.0
LABORATORY: ENVIRO -CHEM ANALYTICAL, INC. ANALYST: LieseK Thompson