2008-06-27_REPORT - C1980007 ‎(5)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 6/27/2008
• Doc Name: 2007 AHR Appendix A Thru C
• From: Hydro Geo, Inc
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: TAK
• Media Type: D
• Archive: No

Lower Minnesota Creek (USGS)
Surface Water Quality and Field Parameters
•
•
•
Mountain Coal West Elk Mine
Minnesota Ck (USGS)
L
Baseline'
2007 Water Year
Monitoring Location .
i
ti Units Minimum Maximum Mean 4/27/2007 5/30/2007 Q 4 8/24/2007
Descr
p
on
Field Parameters
1
06
1.34
0.37
Flow Staff Gauge .
352 211 386
Electrical Conductivity umhos/cm 33
8 92
7 7.93
SU . .
H
° oC 13.0 4.9 14.6
C
Temperature O 55
4 40.8 58.3
Temperature °F F .

Comment
Laborato Parameters 3
ACZ
Name of Certified Lab z
L62931-01
Lab Reference #
5130/2007
Sample Date 6/5-6/12
Lab Test Date
B
Sampled
Alkalinity Total CaC03 m /l
Aluminum, dissolved m /I
me /I
Anions
Arsenic, dissolved m /I
l
t
i
t m /I
a
Arsen
c,
o
t M /I 46 75 60
e
Bicarbona
Boron, dissolved m /I
Cadmium, dissolved m /l
m /I
19.6
19.6
19.6
Calcium, dissolved
t m /l
e
Carbona
Cation - Anion Balance %
me /I
Cations 2 1
m /I
Chloride
d
ti
it umhos/cm 152 803 350 189
Con
uc
v
y
Copper, dissolved m /I
m /I
65
106
82
Hardness m /I
H droxide
d m /I 0.23 0.58 0.41 0.05 B
Iron, dissolve
l m /I 0.45 82 8.9 2.97
Iron, tota
d
l
di m /l
sso
ve
Lead, m /l 6.1 8.7 7.4
Magnesium, dissolved
lved
di m /I 0.013 0.015 0.014
sso
Manganese, 83
1 188
0
l
t
t m /I 0.018 . .
o
a
Manganese,
l
t m A
a
Mercury, to
Molybdenum, dissolved m /I
Nitrate as N), dissolved m /I
Nitrate/Nitrite as N m /I
Nitrite as N), dissolved m /I
8.1
H
SU
H lab
m /I
Phosphate
Phosphorus Ortho , dissolved m /I
Potassium, dissolved m /I
Selenium, dissolved m /I
l
t
t m /I
a
o
Selenium, calc 0.3 0.5 0.4
Sodium Absorption Ratio SAR .
d
l
di m /I 7.7 7.7 7.7
ve
sso
Sodium, m /I 20 50 40
Sulfate
i calc.
o
TDS Rat
m /I
TDS Calc. 58 4 23 1 12 0
m /1 10 0
TDS 130 0 29 2 10 4
m /I 1 6
TSS
Zinc, dissolved mg/I
Baseline and WY 2000 data adapted from WWE (2001).
2 ACZ Laboratory, Steamboat Springs, CO
3 Negative values denote readings below lab detection levels
" ACZ Lab Qualifiers: U - Analyte was analyzed for but not detected at the indicated MDL
H - Holding time exceeded; pH is a field test with an immediate hold time.
I-,--,:-- :. -ni N -4 -' lcal nuantitation limit (PQL).
C - Analyie cone ua.auvu a, a vw..? ..... --•---. _..._-_- . -.
West Elk Mine
HydroGeo, Inc.
C-6 2007 Annual Hydrology Report
,