2008-04-01_REPORT - C1981044 ‎(5)‎

• Permit No: C1981044
• IBM Index Class Name: REPORT
• Doc Date: 4/1/2008
• Doc Name: 2007 Annual Hydrology Report
• From: BTU Empire Corporation
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: SB1
• Media Type: D
• Archive: No

Annua~rdrology Report
T ~~~~~io
we lle Coal C ompany
Report run on: March 29, 2007 8:18 AlL
Page
Project: 2003 Will iams Fork Mine Station: T7A TR-7A
Class ificati on: WELL
Category
N Parameter Analysis Type Average Std-Dev Max Min Count Units Begin Ens
A
IONS BICARBONATE AS HC03 187.48 54.20 287.00 46.36 27 MG/L 03/81 06/0
CARBONATE AS CAC03 25.50 10.61 33.00 18.00 2 MG/L 06/96 06/9
AS C03 24.53 33.94 156.00 -2.00 19 MG/L 03/81 06/0
CHLORIDE NOT A?PL !CABLE
3,70 2, i 5 tf.UO 1.00 27 MG/L 03/81 06/0
HYDROXIDE AS CAC03 -2.00 0.00 -2.00 -2.00 2 MG/L 06/96 06/9
AS OH -1.00 1.15 0.00 -2.00 4 MG/L 06/92 06/9
SULFATE NOT APPLICABLE 24.85 25.74 85.00 -10.00 27 MG/L 03/81 06/0
CATIONS CALCIUM DISSOLVED 8.07 6.92 28.00 2.00 19 MG/L 06/83 06/0
TOTAL RECOV 3.88 2.42 9.00 1.00 8 MG/L 03/81 12/8
MAGNESIUM DISSOLVED 24.85 6.29 32.00 14.00 19 MG/L 06/83 06/0
TOTAL RECOV 13.69 1.71 15.00 10.00 8 MG/L 03/81 12/8'.
POTASSIUM DISSOLVED 8.30 0.00 8.30 8.30 1 MG/L 06/83 06/8
TOTAL RECOV 6.39 1.08 8.10 5.00 8 MG/L 03/81 12/8.
SAR NOT APPLICABLE 2.34 1.10 4.34 1.03 23 UNDEFINED 03/81 06/9
SODIUM DISSOLVED 38.79 12.09 63.00 19.60 19 MG/L 06/83 06/0
TOTAL RECOV 63.75 6.45 78.00 59.00 8 MG/L 03/81 12/8;
MEASURED PROPERTIES WATER LEVEL FIELD 6109.54 5.76 6119.20 6096.10 32 FEET (MSL) 03/84 10/9
MINOR FLUORIDE NOT APPLICABLE 0.43 0.19 0.88 0.20 22 MG/L 03/81 06/9
NUTRIENTS NITROGEN NITRATE 0.00 0.03 0.05 -0.02 18 MG/L 03/85 06/0
NITRITE 0.00 0.01 0.02 -0.01 5 MG/L 06/92 06/9'
N03+N02 0.03 0.09 0.35 -0.02 22 MG/L 03/81 06/9;
PHYSICAL PROPERTIES ACIDITY AS CAC03 0.00 0.00 0.00 0
00 1 MG/L
. 03/85 03/8!
ALKALINITY TOTAL 176.17 30.53 231.00 127.00 24 MG/L 03/81 06/Oi
CONDUCTIVITY FIELD 396.97 87.23 850.00 122.00 86 UMHOS/CM 01/82 07/0:
LAB 383.26 68.90 600.00 265.00 27 UMHOS/CM 03/81 06/Oi
HARDNESS AS CAC03 97.46 35.23 149.00 51.00 18 MG/L 03/81 06/9
OIL&GREASE VISIBLE NOT APPLICABLE 2.00 0.00 2.00 2.00 10 UNDEFINED 03/93 12/91
PH FIELD 8.68 0.51 10.10, 7.10 86 PH 01/82 07/0;
LAB 8.68 0.65 10.14 6.50 27 PH 03/81 06/0
SOLIDS SUSPENDED 18.00 14.14 28.00 8.00 2 MG/L 03/81 03/8:
TOTAL-DISS 244.36 51.90 426.00 190.00 22 MG/L 03/81 06/9-
TEMPERATURE FIELD 11.94 2.59 21.00 5.40 81 DEGREES C 05/82 07/0;
PRIMARY ARSENIC DISSOLVED -2.47 9.45 10
00 -40
00 19 UG/L
. . 06/83 06/Oi
TOTAL RECOV 0.50 2.51 5.00 -2.00 8 UG/L 03/81 12/8;
BARIUM DISSOLVED -200.00 0.00 -200.00 -200.00 1 UG/L 06/83 06/8;