Arsenic species and chemistry in groundwater of southeast Michigan
Environmental Pollution
By: M.-J. Kim, J. Nriagu, and S. Haack
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Abstract
Groundwater samples, taken from 73 wells in 10 counties of southeast Michigan in 1997 had arsenic concentrations in the range of 0.5 to 278 μg/l, the average being 29 μg/l. About 12% of these wells had arsenic concentrations that exceeded the current USEPA's maximum contaminant level of 50 μg/l. Most (53-98%) of the arsenic detected was arsenite [As(III)] and other observations supported the arsenic species distribution (low redox potential and DO). In shallow groundwater (15 m), the concentration of arsenic is possibly controlled by reductive dissolution of arsenic-rich iron hydroxide/oxyhydroxide and dissolution of arsenic sulfide minerals.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Arsenic species and chemistry in groundwater of southeast Michigan |
| Series title | Environmental Pollution |
| DOI | 10.1016/S0269-7491(02)00114-8 |
| Volume | 120 |
| Issue | 2 |
| Year Published | 2002 |
| Language | English |
| Description | 12 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Environmental Pollution |
| First page | 379 |
| Last page | 390 |