40 CFR Part 62, Table 1 — Emission Limitations
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| For the air pollutant | You must meet this emission limitation a | Using this averaging time | And determining compliance using this method |
|---|---|---|---|
| Cadmium | 0.004 milligrams per dry standard cubic meter | 3-run average (1 hour minimum sample time per run) | Performance test (Method 29 of appendix A of part 60). |
| Carbon monoxide | 157 parts per million by dry volume | 3-run average (1 hour minimum sample time per run) | Performance test (Method 10, 10A, or 10B, of appendix A of part 60). |
| Dioxins/furans (toxic equivalency basis) | 0.41 nanograms per dry standard cubic meter | 3-run average (4 hour minimum sample time per run) | Performance test (Method 23 of appendix A of part 60). |
| Hydrogen chloride | 62 parts per million by dry volume | 3-run average (1 hour minimum sample time per run) | Performance test (Method 26A of appendix A of part 60). |
| Lead | 0.04 milligrams per dry standard cubic meter | 3-run (1 hour minimum sample time per run) | Performance test (Method 29 of appendix A of part 60). |
| Mercury | 0.47 milligrams per dry standard cubic meter | 3-run average (1 hour minimum sample time per run) | Performance test (Method 29 of appendix A of part 60). |
| Opacity | 10 percent | 6-minute averages | Performance test (Method 9 of appendix A of part 60). |
| Oxides of nitrogen | 388 parts per million by dry volume | 3-run average (1 hour minimum sample time per run) | Performance test (Methods 7, 7A, 7C, 7D, or 7E of appendix A of part 60). |
| Particulate matter | 70 milligrams per dry standard cubic meter | 3-run average (1 hour minimum sample time per run) | Performance test (Method 5 or 29 of appendix A of part 60). |
| Sulfur dioxide | 20 parts per million by dry volume | 3-run average (1 hour minimum sample time per run) | Performance test (Method 6 or 6c of appendix A of part 60). |
a All emission limitations (except for opacity) are measured at 7 percent oxygen, dry basis at standard conditions.