Mercury in U.S. coal; abundance, distribution, and modes of occurrence
Fact Sheet
095-01
By: Susan J. Tewalt, Linda J. Bragg, and Robert B. Finkelman
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Abstract
The U.S. Geological Survey (USGS) has compiled a nationwide coal information database over the last 25 years. A subset of the data, called COALQUAL, contains analyses of over 7,000 coal samples that have been collected or calculated to represent the entire thickness of a coal bed in the ground. The COALQUAL database is an extremely valuable source of information for raw or in-ground trace-element concentrations in U.S. coals and, if adjusted for the effect of coal cleaning in appropriate coals, can provide a first estimate of as-shipped mercury concentration in coal where data are not available.
Suggested Citation
Tewalt, S.J., Bragg, L.J., and Finkelman, R.B., 2001, Mercury in U.S. coal; abundance, distribution, and modes of occurrence (Online Version 1.0): U.S. Geological Survey Fact Sheet 095-01, 4 p. , https://doi.org/10.3133/fs09501.
ISSN: 2327-6932 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Mercury in U.S. coal; abundance, distribution, and modes of occurrence |
| Series title | Fact Sheet |
| Series number | 095-01 |
| DOI | 10.3133/fs09501 |
| Edition | Online Version 1.0 |
| Year Published | 2001 |
| Language | ENGLISH |
| Description | 4 p. |