Wambo Coal AEMR 2011-2012 - Peabody Energy

Wambo Coal Pty Ltd AEMR 2011-2012
Month
pH
P202
Depth to
EC (uS/cm)
Water (m)
P206
Temp ( o Depth to
C) pH EC (uS/cm)
Water (m)
Temp ( o C)
Criteria 6.4-7.9 2519-7616 6.81-11.35 N/A 7.1-8.5 1848-3175 18.34-22.72 N/A
Jul-11 7.50 3,520 7.65 19.2
Aug-11 7.40 3,490 8.11 19.6 7.30 2,340 17.82 19.2
Sep-11
Oct-11 7.40 3,490 8.18 19.4 7.20 2,240 17.17 19.6
Nov-11
Dec-11 7.10 3,600 7.95 19.2 7.20 2,360 17.00 20.4
Jan-12
Feb-12 7.70 3,600 7.14 20.8 7.30 2,340 16.44 21.6
Mar-12
Apr-12 7.50 3,820 8.02 18.9 7.30 2,360 15.56 19.3
May-12
Jun-12 7.40 5,100 8.25 17.3 7.30 2,160 16.08 18.6
Average 7.43 3,803 7.90 19.2 7.27 2,300 16.68 19.8
Month
pH
P301
Depth to
EC (uS/cm)
Water (m)
P311
Temp ( o Depth to
C) pH EC (uS/cm)
Water (m)
P315
Temp ( o Depth to
C) pH EC (uS/cm)
Water (m)
Criteria 5.7-7.4 3045-12735 10.62-14.59 N/A 6.0-9.5 6,500-8,000 18.15-25.50 N/A 5.6-7.2 291-522 4.90-10.42 N/A
Jul-11
Aug-11 7.20 2,420 10.13 19.0 6.40 376 4.67 19.2
Sep-11
Oct-11 7.40 2,420 10.57 19.1 6.90 593 6.14 18.8
Nov-11
Dec-11 7.00 2,490 19.90 20.5 7.50 365 3.77 20.0
Jan-12
Feb-12 6.50 2,130 13.20 19.9 3.70 624 4.00 21.6
Mar-12
Apr-12 6.80 4,040 13.28 19.7
May-12
Jun-12 7.00 3,230 13.60 18.8
Average 6.98 2,788 13.45 19.5 #DIV/0! #DIV/0! #DIV/0! #DIV/0! 6.13 490 4.65 19.9
P311 ceased to be monitored as at Mar. 08
because it has collapsed
Temp ( o C)
Appendix 2D: 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