2010-03-22_REPORT - C1994082

• Permit No: C1994082
• IBM Index Class Name: REPORT
• Doc Date: 3/22/2010
• Doc Name: 2009 Annual Hydrology Report Part 2
• From: Seneca Coal Company
• To: DRMS
• Annual Report Year: 2009
• Permit Index Doc Type: Hydrology Report
• Email Name: DTM
• Media Type: D
• Archive: No

S Mine ..
?Pairadox . rology System
Water Qualit y Statistics
Sample Point : YSAL1 YSAL1
Location: Uncensored Data
Censored Data
Elevation: No of
No of
Obs Mean StDv Min Max Obs Min Max
?aborataryParameters;.
Ph At 25 Deg. Cent. S.U. 35 7.60 6.90 8.60
Phosphorus, Phosphate MG/L 7 .04 .02. .01 .06
Phosphorus, Orthophos MG/L 16 .09 .18 0.00 .77
Organic Phosph. As P MG/L 4 .65 1.17 0.00 2.40
Potassium, Dissolved MG/L 35 4.06 .63 3.00 5.00
Selenium, Dissolved UG/L 9 1.22 0.00 5.00 26 < 1
00 < 1
00
Silica, Dissolved MG/L 12 8.58 1.63 6.40 11.00 . .
Silver, Dissolved UG/L

Sodium, Dissolved MG/L
35
47.22
41.47
18.00
267.00 23 < 5.00 < 10.00
Solids, Dissolved MG/L 35 707.20 149.77 356.00 1230.00
Solids, Suspended MG/L 20 131.90 221.32 2.00 925.00 3 < 5
00 < 5
00
Sulfate MG/L 35 276.43 67.38 120.00 405.00 . .
Sulfide MG/L 13 .67 1.42 .02 4.20 10 < .01 < 02
Vanadium, Dissolved UG/L 6 1.67 .82 1.00 3.00 .
Zinc, Dissolved MG/L 16 .02 .01 0.00 .04 19 < 0
00 < 02
Bicarbonate As HC03 MG/L 35 405.00 107.34 209.00 842.00 . .
Carbonate As C03 MG/L 25 2.68 6.63 0.00 24.00 10 < 2
00 < 2
00
Hydroxide As OH MG/L . .

Phosphate As P04 MG/L
26
.26
.44
0
00
2
40 10
1 < 2.00 < 2.00

Cation-Anion Balance PERCENT
22
-1.08
3.39 .
-12.60 .
4.78 < .10 < .10
Sar RATIO 35. .91 .76 .41 4.94
Solids, Diss. (Calc) MG/L 23 758.67 157.34 512.00 1289.00
Sum Of Anions MEQ/L 10 12.96 2.17 9.52 15.80
Sum Of Cations MEQ/L 10 12.35 1.63 9.97 14.70
Diss. Solids, Calc. MG/L 12 621.17 108.82 356.00 759.00
Hardness, Noncarbon MG/L 12 181.67 53.91 120.00 290.00
Tds Ratio ANAUCALC 23 .99 .05 .89 1.12
Conditions:,From: 41/01/1980...To: i2(31J1999.::.Sltes YSAL.:::
n
00