New source review - Missouri

Missouri incorporates by reference the federal regulations for New Source Review (NSR) Permitting; however, the state adds further requirements.

Missouri has set standards for hydrogen sulfide and sulfuric acid:

• Hydrogen sulfide:
  • 0.03 parts per million (42 micrograms per cubic meter) for a half-hour, not to be exceeded over two times in any five consecutive days; and
  • 0.05 parts per million (70 micrograms per cubic meter) for a half-hour, not to be exceeded over two times per year.
• Sulfuric acid:
  • 30 micrograms per cubic meter for one hour, not to be exceeded more than once in any two consecutive days; and
  • 10 micrograms per cubic meter for 24 hours, not to be exceeded more than once in any 90 consecutive days.

Related information

• EzExplanation New Source Review
• Missouri State Implementation Plans

Citations

• Federal regulation 40 CFR Part 51-52
• Missouri Code of State Regulations Section 10-6.010 and 6.060