Species | River [45] | Marcellus Shale water [46] | ||
---|---|---|---|---|
pH | 7.40 | 7.44 | 7.37 | 6.90 |
Br | 2.02 × 10−2 | 2. 00 × 10−2 | 1.29 × 10−2 | 1.87 × 102 |
Cl | 7.99 × 100 | 5.89 × 100 | 8.20 × 100 | 2.92 × 104 |
SO4 | 9.98 × 10−1 | 1.39 × 101 | 1.54 × 101 | 6.60 × 100 |
Al | – | – | – | 2.00 × 10−1 |
Ba | 1.20 × 10−1 | 1.60 × 10−1 | 2.14 × 10−1 | 1.01 × 103 |
Cd | – | – | – | 4.98 × 10−2 |
Ca | 4.24 × 101 | 3.62 × 101 | 1.57 × 101 | 1.59 × 103 |
Cu | – | – | – | 2.50 × 10−1 |
Fe | 1.00 × 10−1 | 5.00 × 10−2 | 5.99 × 10−2 | 3.44 × 101 |
Pb | 1.00 × 10−2 | 1.00 × 10−2 | 1.00 × 10−2 | 3.00 × 10−2 |
Mg | 1.64 × 100 | 6.98 × 100 | 3.07 × 100 | 1.50 × 102 |
Mn | 6.00 × 10−3 | 6.00 × 10−3 | – | 1.02 × 100 |
K | 2.80 × 100 | 1.27 × 100 | 9.01 × 10−1 | 6.40 × 102 |
Na | 1.85 × 101 | 1.09 × 101 | 8.37 × 100 | 1.32 × 104 |
Sr | 2.90 × 10−1 | 2.82 × 10−1 | – | 3.90 × 102 |
Zn | 4.00 × 10−5 | 4.00 × 10−5 | 1.78 × 101 | 1.70 × 10−1 |
Alkalinity as \( {\text{HCO}}_{3}^{ - } \) | 1.77 × 102 a | 1.49 × 102 a | 9.88 × 101 | 2.45 × 102 b |