Trace metal concentrations in shallow ground water
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Abstract
Trace metal clean sampling and analysis techniques were used to examine the temporal patterns of Hg, Cu, and Zn concentrations in shallow ground water, and the relationships between metal concentrations in ground water and in a hydrologically connected river. Hg, Cu, and Zn concentrations in ground water ranged from 0.07 to 4.6 ng L−1, 0.07 to 3.10 μg L−1, and 0.17 to 2.18 μg L−1, respectively. There was no apparent seasonal pattern in any of the metal concentrations. Filtrable Hg, Cu, and Zn concentrations in the North Branch of the Milwaukee River ranged from below the detection limit to 2.65 ng Hg L−1,0.51 to 4.30 μg Cu L−1, and 0.34 to 2.33 μg Zn L−1. Thus, metal concentrations in ground water were sufficiently high to account for a substantial fraction of the filtrable trace metal concentration in the river. Metal concentrations in the soil ranged from 8 to 86 ng Hg g−1, 10 to 39 μg Cu g−1, and 15 to 84 μg Zn g−1. Distribution coefficients, KD, in the aquifer were 7900,22,000, and 23,000 L kg−1 for Hg, Cu, and Zn, respectively. These values were three to 40 times smaller than KD values observed in the Milwaukee River for suspended particulate matter.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Trace metal concentrations in shallow ground water |
| Series title | Ground Water |
| DOI | 10.1111/j.1745-6584.2001.tb02336.x |
| Volume | 39 |
| Issue | 4 |
| Year Published | 2001 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Toxic Substances Hydrology Program |
| Description | 7 p. |
| First page | 485 |
| Last page | 491 |
| Google Analytic Metrics | Metrics page |