annexc - Newmont Mining Corporation

Seep Water Statistic
All Seep
Samples
Water
Quality
Standards
Bicarbonate, Carbonate,
as CaCO3 as CaCO3
mg/L mg/L
Alkalinity,
Total,
as CaCO3
mg/L
Aluminum,
Dissolved
mg/L
Table C4-6
Seep Chemistry (2007)
Akyem Project
Eastern Region, Ghana
Aluminum,
Total
mg/L
Ammonia,
Undistilled,
mg/L
Antimony,
Dissolved
mg/L
Antimony,
Total
mg/L
Arsenic,
Dissolved
mg/L
Arsenic,
Total
mg/L
Barium,
Dissolved
mg/L
Barium,
Total
mg/L
Beryllium,
Dissolved
mg/L
Total # Samples Analysed 18 18 18 18 18 18 18 18 18 18 18 18 18 18
Total # Non Detect 0 18 0 7 3 14 18 18 18 18 3 8 18 18
Maximum 220 2.5U 360 2.3 15 0.083 0.01U 0.01U 0.005U 0.01U 0.051 0.1 0.005U 0.005U
Mean 133.7 2.50 220 0.22 1.70 0.02 NA NA NA NA 0.02 0.03 NA NA
Standard Deviation 58.5 0 96 0.570 3.840 0.018 NA NA NA NA 0.012 0.019 NA NA
USEPA MCL PRIMARY 0.006 0.006 0.01 0.01 2 2 0.004 0.004
USEPA MCL SECONDARY 0.05 to 0.2 0.05 to 0.2
WHO DWG 0.2 0.2 0.02 0.02 0.01 0.01 0.7 0.7
GSB/GWC DWG 0.2 0.2 0.005 0.005 0.01 0.01 0.7 0.7
Note: mg/L = milligrams per liter.
U = value is detection limit
NA = not applicable
ND = no data
Shaded cell: value exceeds lowest std.
Beryllium,
Total
mg/L
USEPA = U.S. Environmental Protection Agency
WHO = World Health Org.
DWG = Drinking Water Goal
GSB/GWC = Ghana Stds Board and Water Co.