Sierrita Mine—Composition of Tailings
Impoundment Water
|
Date |
Hardness as CaCO3 |
Calcium mg/l |
Magnesium mg/l |
Sulfate |
Arsenic mg/l |
TDS |
pH Units |
|
12/17/79 |
|
631 |
<1 |
1,806 |
|
2856 |
9.2 |
|
12/02/80 |
|
608 |
5 |
1,842 |
|
2885 |
9.4 |
|
11/23/81 |
|
601 |
7 |
1,948 |
|
3011 |
9.3 |
|
|
|
|
|
|
|
|
|
|
11/02/88 |
|
640 |
.08 |
1,720 |
|
3280 |
10.9 |
|
1989 |
|
655 |
.63 |
1,910 |
ND |
3300 |
10.27 |