EPA Air · stack tests by state, industry and year

Primary metal manufacturing (NAICS 3311): stack tests in Missouri, 2023

• 6Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2023 at a Missouri source whose primary industry code is NAICS 3311. A facility filing more than one industry code is counted under the first one on its record.

Primary metal manufacturing (NAICS 3311) in Missouri, other years

• 2025 4
• 2022 5
• 2021 10
• 2020 8

Other industries in Missouri, 2023

• Mining and quarrying (NAICS 2123) 60
• Utilities (NAICS 2211) 51
• Nonmetallic mineral product manufacturing (NAICS 3279) 25
• Nonmetallic mineral product manufacturing (NAICS 3273) 21
• Electrical equipment and appliance manufacturing (NAICS 3359) 18
• Primary metal manufacturing (NAICS 3314) 18
• Transportation equipment manufacturing (NAICS 3361) 17
• Utilities (NAICS 2213) 16
• Pipeline transportation (NAICS 4862) 12
• Primary metal manufacturing (NAICS 3313) 11
• Food manufacturing (NAICS 3112) 11
• Nonmetallic mineral product manufacturing (NAICS 3274) 10
• Waste management and remediation (NAICS 5622) 10
• Beverage and tobacco manufacturing (NAICS 3121) 7
• Food manufacturing (NAICS 3111) 7
• Paper manufacturing (NAICS 3222) 6
• Petroleum and coal products manufacturing (NAICS 3241) 5
• Oil and gas extraction (NAICS 2111) 3

Air-emissions stack tests recorded in Missouri, 2023

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.