PERMFILE122868

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: SURFACE WATER QUALITY DATA PART 3
• Section_Exhibit Name: TAB 7 APPENDIX 7-10
• Media Type: D
• Archive: Yes

• Peabody Wes •
Paradox Hydrology ystem
Water Quality Statistics
Sample Point: NPDES9
Location:
Rlevatinn: nn rensored Data Censored Data
No. of No. of

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__________ Mean
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____ St.Dv.
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______ Min
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____ Max
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____ Obs
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____ Min
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_______ Ma
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Field Parameters
Field Ph S.U. 33 8 .26 7. 92 6 .89
Temperature C 33 15 .95 5 .46 5. 00 25 .40
Conductivity UMHOS/CM 31 627 .79 36 .58 550. 00 710 .00
Laboratory Parameters
Acidity MG/L 4 < 2. 00 < 2 .00
Alk As Caco3, Ph 4.5 MG/L 9 195 .50 15 .59 128. 00 161 .00
Alk, Bicarb As Caco3 MG/L 4 137 .25 8 .30 128. 00 148 .00
Alk, Carb As Caco3 MG/L 3 11 .00 10 .82 2. 00 23 .00 1 < 2. 00 < 2 .00
Alk, Hydrox As Caco3 MG/L 9 < 2. 00 < 2 .00
Boron, Dissolved UG/L 4 50 .00 8 .16 40. 00 60 .00
Calcium, Dissolved MG/L 4 71 .75 S .OB 68. 20 79 .10 ~
Chloride MG/L 4 6 .75 .50 6. 00 7 .00
Conductivity UMS/CM2 4 694 .75 26 .23 607. 00 667 .00 1 < 1. 00 < 1 .00 0
Fluoride MG/L 4 .18 .OS . 10 .20 ~
Hardness As Caco3 MG/L 4 317 .25 21 .88 291. 00 344 .00 ~
Iron, Total MG/L 9 .40 .45 . 03 1 .39
Iron, Dissolved MG/L 2 .O1 . O1 .O1 2 < . O1 < .O1
Magnesium, Dissolved MG/L 4 33 .55 2 .80 29. 40 35 .50
Manganese, Total MG/L 4 .OS .02 . 03 .07
Manganese, Dissolved MG/L 3 .04 .02 . 02 .07 1 < . 01 < .O1
Ammonia Nitrogen_N MG/L 4 .07 .02 . OS .09
Nitrate Nitrogen_N MG/L 4 .54 .74 . 04 1 .61
Nitrite Nitrogen_N MG/L ] .02 . 02 .02 3 < . O1 < .O1
No2 Nitrogen_N MG/L
No3 9 .54 .74 . 04 1 .61
_
Ph At 25 Deg. Cent. S.U. 5 8 .15 7. 70 8 .70
Orthophos MG/L
Phosphorus 1 .03 . 03 .03 3 < . O1 < .O1
,
Potassium, Dissolved MG/L 4 4 .85 .31 4. 40 5 .10
Sodium, Dissolved MG/L 9 14 .60 .63 13. 90 15 .40
Solids, Dissolved MG/L 9 426 .67 50 .25 360. 00 490 .00
Solids, Suspended MG/L 4 19 .00 9 .80 6. 00 26 .00 5 < 5. 00 < 5 .00
Sulfate MG/L 4 187 .50 20 .62 160. 00 210 .00
Sulfide MG/L 1 .07 . 07 .07 3 < . .02 < .02
Bicarbonate As Hco3 MG/L 4 167 .50 10 .47 156. 00 161 .00
Carbonate As Co3 MG/L 2 9 .50 6 .36 5. 00 19 .00 2 < 2. 00 < 2 .00
Hydroxide As Oh MG/L 4 < 2. 00 < 2 .00
Phosphate As Po9 MG/L 1 .09 . 09 .09 3 < . 03 < .03
Conditions Specified: From 1/01/90 To 12/31/97...NPDS...Area=IIW