PERMFILE134526

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: SURFACE WATER QUALITY INFORMATION
• Section_Exhibit Name: TAB 07 APPENDIX 7-4A PART 2
• Media Type: D
• Archive: No

-~' Peabody Western
> Paradox Hydrology System
~~ Water Quality Statistics
'T
Sample Point: SSB9
Location:
Elevation: Uncensored Data Censored Data

No. of No. of
Obs Mean St.DV. Mi n Max Obs Min Max
Laboratory Parameters -
Mercury, Dissolved UG/L 1 < .20 < .20
Molybdenum, Total UG/L 7 < 50.00 < 50.00
Molybdenum, Dissolved UG/L 1 < 50.00 < 50.00
Nickel, Dissolved UG/L 1 < 20.00 < 20.00
Ammonia Nitrogen
N MG/L 5 . 08 .07 .02 . 17 3 < .02 < .02
-
Nitrate Nitrogen
N MG/L 3 . OS .09 .03 . 10 5 < .02 < .02
_
Ph At 25 Deq. Cent. S.U. 8 8. 06 7 .80 8. 30
Phosphorus, Total MG/L 7 . 14 .06 .07 . 20 1 < .10 < .10
Phosphorus, Orthophos MG/L 1 . 08 .OB . OB
Potassium, Total MG/L 7 2. 71 1.50 2 .00 6. 00
Potassium, Dissolved MG/L 2 2. 50 .71 2 .00 3. 00
Selenium, Total UG/L ] 1. 00 1 .00 1. 00 6 < 1.00 < 1.00
Selenium, Dissolved UG/L 1 < 1.00 < 1.00
Silicon, Total MG/L 7 10. 69 4.10 6 .20 18. 50
Silicon, Dissolved MG/L l 9. 10 9 .10 9. 10
Dissolved C1G/L
Silver 1 < 10.00 < 10.00
,
Sodium, Total MG/L 7 13. 43 5.38 7 .00 21. 00
Sodium, Dissolved MG/L 2 17. 00 2.83 15 .00 19. 00
Solids, Dissolved MG/L 11 976. 91 129.50 242 .00 618. 00
Solids, Suspended MG/L 12 20. 50 17.69 2 .00 54. 00
Sulfate MG/L 9 101 .78 36.93 91 .00 167. 00
Sulfide MG/L 1 .20 .20 . 20
Zinc, Total MG/L 3 . 04 .OS .O1 . 10 9 < .O1 < .O1
Zinc, Dissolved MG/L 1 < .O1 < .O1
Bicarbonate As Hco3 MG/L 8 356 .00 124.71 171 .00 499. 00
Carbonate As Co3 MG/L 8 0 .00 0 .00 0. 00
Hydroxide As Oh MG/L 8 0 .00 0 .00 0. 00
Nitrate As No3 MG/L 8 0. 00 0 .00 0. 00
Phosphate As Po9 MG/L 1 . 60 .60 . 60
Cation Anion Balance PERCENT 8 2 .87 2.65 - 1 .29 8. 03
Sar RATIO 6 .31 .07 .22 . 40
Solids, Diss. (Calc) MG/L 8 439 .25 139.29 237 .00 580. 00
Aluminum, Tot. Rec. MG/L 1 .09 .09 . 09
Araen ic, Tot. Rec. UG/L 1 1 .00 1 .00 1. 00
Barium, Tot. Rec. UG/L 1 50 .00 50 .00 50. 00
Cadmium, Tot. Rec. UG/L 1 < 5.00 < 5.00
Chromium, Tot. Rec. UG/L ] < 10.00 < 10.00
Copper, Tot. Rec. UG/L 1 10 .00 10 .00 10. 00
Conditions Specified: From 1/01/80 To 12/31/96...SURF...Area=II