Wambo Coal AEMR 2011-2012 - Peabody Energy

Wambo Coal Pty Ltd AEMR 2011-2012
P13 P15 P16
Month
Depth to
Depth to
pH EC (uS/cm)
pH EC (uS/cm)
pH EC (uS/cm)
Water (m)
Water (m)
Criteria 6.0-9.5 1,000-3,200 5.96-7.98 6.0-9.5
5.46-6.42 6.0-9.5
2,900-
22,000
3,800-
22,700
Depth to
Water (m)
6.47-7.37
Jul-11
Aug-11 6.52 1062 6.56 7.59 7,740 5.96 7.27 8,080 6.97
Sep-11
Oct-11 6.26 1,048 6.44 7.71 6,950 5.87 7.4 7170 6.83
Nov-11
Dec-11 6.24 1,107 6.42 7.02 7,380 5.86 6.44 7,780 7.01
Jan-12
Feb-12 6.16 1,025 6.53
Mar-12
Apr-12 6.69 1,107 6.73 7.98 7,380 5.98 7.64 7,630 7.16
May-12
Jun-12 6.27 1,091 6.91 7.38 7,470 6.00 7.30 7,690 7.24
Average 6.36 1,073 6.60 7.54 7,384 5.93 7.21 7,670 7.04
Month
pH
Criteria 6.0-9.5
P17
EC (uS/cm)
8,900-
17,000
Depth to
Water (m)
pH
5.25-6.21 6.0-9.5
EC (uS/cm)
4,450-
22,000
Depth to
Water (m)
pH
6.48-7.53 6.0-9.5
EC (uS/cm)
4,750-
22,800
Depth to
Water (m)
6.83-7.86
Jul-11
Aug-11 7.50 11480 5.77 7.35 8460 7.02 7.24 8940 7.16
Sep-11
Oct-11 7.42 9900 5.98 7.48 7610 7.17 7.24 8150 6.94
Nov-11
Dec-11 6.94 10,560 5.95 6.90 8,630 7.15 6.54 8,820 7.22
Jan-12
Feb-12
Mar-12
Apr-12 8.04 10,480 5.96 7.76 7,950 8.38 7.58 8,260 7.58
May-12
Jun-12 7.63 10,820 6.05 7.49 8,010 7.45 7.23 8,540 7.69
Average 7.51 10,648 5.94 7.40 8,132 7.43 7.17 8,542 7.32
P18
P20
Appendix 2: Ground Water Monitoring Results
Blank cells indicate that no sample was collected due to the site
being dry, inaccessible or not due for collection. Bolded/Shaded
cells indicate results outside recommended criteria