CHEMICAL COMPOSITION OF WATER FROM
ASARCO TAILINGS PONDS
1971 and 1981
|
Constituent |
(mg/l) |
Pond
No. |
1 |
|
Pond No. |
2 |
|
|
|
Calcium |
|
530 |
|
552 |
615 |
760 |
|
|
|
Magnesium |
|
<1 |
|
5 |
2 |
1 |
|
|
|
Sodium |
|
190 |
|
163 |
166 |
240 |
|
|
|
Potassium |
|
49 |
|
70 |
- |
72 |
|
|
|
Carbonate |
|
35 |
|
0 |
0 |
0 |
|
|
|
Bicarb. |
|
0 |
|
39 |
41 |
18 |
|
|
|
Chloride |
|
43 |
|
26 |
38 |
32 |
|
|
|
Sulfate |
|
1,600 |
|
1,558 |
1,745 |
2,400 |
|
|
|
Nitrate . |
|
2
|
|
2 |
<:1 |
2 |
|
|
|
Flouride |
|
2.0 |
|
3.7 |
0.6 |
2.3 |
|
|
|
Iron |
|
<0.08 |
|
|
|
0.05 |
|
|
|
Manganese |
|
<0.04 |
|
- |
- |
0.08 |
|
|
|
Arsenic |
|
<0.005 |
- |
- |
<0.01 |
|
||
|
Chromium |
|
<.04 |
|
- |
- |
<0.01 |
||
|
Selenium |
|
0.013 |
- |
|
<0.01 |
|||
|
Molybdenum |
|
1.9 |
5.5 |
16 |
2.0 |
|
||
|
Lead |
|
- |
|
- |
- |
<0.01 |
|
|
|
Copper |
|
- |
|
- |
- |
0.01 |
|
|
|
Zinc |
|
- |
|
- |
- |
0.14 |
|
|
|
Cadmium |
|
- |
|
- |
- |
<0.01 |
|
|
|
Boron |
|
- |
|
0.4 |
- |
0.13 |
|
|
|
Vanadium |
|
- |
|
- |
- |
<0.1 |
|
|
|
Electrical Conductivity |
|
|
|
|
|
|
||
|
(micromhos
at 250C) |
2,993 |
|
- |
- |
3,351 |
|
||
|
Total Dissolved Solids |
3,500 |
|
- |
2,629 |
3,333 |
|
||
|
Total Organic Carbon |
7.8 |
|
- |
- |
6.7 |
|
||
|
Field pH |
|
- |
|
- |
- |
5.5 |
|
|
|
Lab pH |
|
10.1 |
|
6.7 |
5.0 |
6.5 |
|
|
|
Date |
|
|
|
|
|
|
|
|
|
Lab |
|
U of A |
|
ETL |
ETL |
BC Labs |
|
|
1971 analyses from Engineers Testing Laboratory, Inc.
(1973) and 1981 analyses from Thurnblad (1982).