Regulations last checked for updates: Oct 17, 2024

Title 40 - Protection of Environment last revised: Oct 15, 2024
Appendix - Table 1 to Subpart III of Part 62—Emission Limitations
For the air pollutant You must meet this emission limitation a Using this averaging time And determining compliance using this method
Cadmium0.004 milligrams per dry standard cubic meter3-run average (1 hour minimum sample time per run)Performance test (Method 29 of appendix A of part 60).
Carbon monoxide157 parts per million by dry volume3-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 meter3-run average (4 hour minimum sample time per run)Performance test (Method 23 of appendix A of part 60).
Hydrogen chloride62 parts per million by dry volume3-run average (1 hour minimum sample time per run)Performance test (Method 26A of appendix A of part 60).
Lead0.04 milligrams per dry standard cubic meter3-run (1 hour minimum sample time per run)Performance test (Method 29 of appendix A of part 60).
Mercury0.47 milligrams per dry standard cubic meter3-run average (1 hour minimum sample time per run)Performance test (Method 29 of appendix A of part 60).
Opacity10 percent6-minute averagesPerformance test (Method 9 of appendix A of part 60).
Oxides of nitrogen388 parts per million by dry volume3-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 matter70 milligrams per dry standard cubic meter3-run average (1 hour minimum sample time per run)Performance test (Method 5 or 29 of appendix A of part 60).
Sulfur dioxide20 parts per million by dry volume3-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.

authority: 42 U.S.C. 7401
source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.