Appendix IV to Part 257—Constituents for Assessment Monitoring
| Common name 1 |
|---|
| Antimony |
| Arsenic |
| Barium |
| Beryllium |
| Cadmium |
| Chromium |
| Cobalt |
| Fluoride |
| Lead |
| Lithium |
| Mercury |
| Molybdenum |
| Selenium |
| Thallium |
| Radium 226 and 228 combined |
| 1 Common names are those widely used in government regulations, scientific publications, and commerce; synonyms exist for many chemicals. |
[80 FR 21500, Apr. 17, 2015]