2012-06-20_PERMIT FILE - C2010089 ‎(88)‎

• Permit No: C2010089
• IBM Index Class Name: PERMIT FILE
• Doc Date: 6/20/2012
• Doc Name: EPA Report 1977b of Negative AVF
• Section_Exhibit Name: Appendix 2.06.8-2
• Media Type: D
• Archive: No

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RECONNAISSANCE WATER QUALITY INFORMATION COLLECTED ALONG LITTLE YOUNGS CREEK
AND YOUNGS CREEK, NORTHERN WYOMING VICINITY OF NEW SURFACE COAL MINE
(continued)
WATER QUALITY DETERMINATIONS
Calcium Sulfate Cadmium Chromium Copper Lead Mercury Nickel Zinc
Location Date (mg /1) (mg /1) (ug /1) (ug /1) (ug /1) (ug /1) (ug /1) (ug /) (ug /1)
1 Little Youngs Creek May 76 53 110 - -- - -- - -- - -- - -- - -- - --
at Montana - Wyoming Jul 76 70 80 6 25 25 40 <0.2 <25 45
State Line. R39E, Nov 76 37 238 5 5 <10 5 <0.2 25 15
T 10S, NW, NE 22.
Upstream. of mine
operation.
2. Little Youngs Creek May 76 52 120 - -- - -- - -- - -- - -- - -- - --
R84W,T58N, NE 22. Jul 76 72 170 <5 30 20 50 <0.2 <25 20
Immediately upstream
of overburden
storage and haul
road area.
3. Little Youngs Creek May 76 53 200 - -- - -- - -- - -- - -- - -- - --
East Side of County Jul 76 70 180 5 40 20 60 <0.2 <25 60
Road. R84W,T58N, W, Nov 76 40 450 5 5 <10 5 <0.2 25 20
SW, NW 23. Down-
stream of mine
operation.
4. Youngs Creek at May 76 74 260 - -- - -- - -- - -- - -- - -- - --
Sheridan - Decker Jul 76 62 380 <5 25 20 25 <0.2
Road, State Highway Nov 76 47 738 10 5 X10 20 <0.2 100 5
338, R83W, T58N, SW,
NW 30.
5. Discharge Pond
at Mine Site - no
discharge at time.
R84W, T58N, NW,
NE 22.
Nov 76
40 425 5 10 <10 5 0.2 <25 5
1) Concentrations are total (Dissolved + Suspended). Others, unless noted, are dissolved.