EPA Air · stack tests by state, industry and year

Primary metal manufacturing (NAICS 3315): stack tests in Ohio, 2024

• 39Stack 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 2024 at a Ohio source whose primary industry code is NAICS 3315. A facility filing more than one industry code is counted under the first one on its record.

Primary metal manufacturing (NAICS 3315) in Ohio, other years

• 2026 22
• 2025 23
• 2023 45
• 2022 85
• 2021 43
• 2020 56
• 2019 16
• 2018 74
• 2017 68

Other industries in Ohio, 2024

• Oil and gas extraction (NAICS 2111) 850
• Pipeline transportation (NAICS 4862) 239
• Nonmetallic mineral product manufacturing (NAICS 3279) 217
• Mining support (NAICS 2131) 169
• Utilities (NAICS 2212) 124
• Utilities (NAICS 2211) 120
• Petroleum and coal products manufacturing (NAICS 3241) 103
• Waste management and remediation (NAICS 5622) 97
• Electrical equipment and appliance manufacturing (NAICS 3359) 91
• Food manufacturing (NAICS 3112) 79
• Chemical manufacturing (NAICS 3251) 71
• Utilities (NAICS 2213) 58
• Primary metal manufacturing (NAICS 3311) 52
• Nonmetallic mineral product manufacturing (NAICS 3271) 42
• Fabricated metal product manufacturing (NAICS 3328) 41
• Nonmetallic mineral product manufacturing (NAICS 3272) 37
• Nonmetallic mineral product manufacturing (NAICS 3273) 28
• Furniture and related product manufacturing (NAICS 3371) 27
• Chemical manufacturing (NAICS 3252) 19
• Merchant wholesalers, nondurable goods (NAICS 4247) 18
• Miscellaneous manufacturing (NAICS 3399) 16
• Paper manufacturing (NAICS 3222) 13
• Educational services (NAICS 6113) 13
• Heavy and civil engineering construction (NAICS 2371) 12
• Chemical manufacturing (NAICS 3259) 12
• Primary metal manufacturing (NAICS 3313) 11
• Merchant wholesalers, durable goods (NAICS 4239) 10
• Food manufacturing (NAICS 3119) 10
• Textile product mills (NAICS 3149) 8
• Transportation equipment manufacturing (NAICS 3363) 7
• Fabricated metal product manufacturing (NAICS 3324) 7
• Plastics and rubber products manufacturing (NAICS 3261) 7
• Computer and electronic product manufacturing (NAICS 3344) 7
• Primary metal manufacturing (NAICS 3312) 6
• Mining and quarrying (NAICS 2123) 5
• Administrative and support services (NAICS 5619) 4
• Chemical manufacturing (NAICS 3255) 4
• Professional, scientific and technical services (NAICS 5417) 4
• Paper manufacturing (NAICS 3221) 4
• Chemical manufacturing (NAICS 3253) 3
• Textile mills (NAICS 3133) 3
• Chemical manufacturing (NAICS 3256) 3
• Hospitals (NAICS 6221) 3
• Merchant wholesalers, nondurable goods (NAICS 4245) 3

Air-emissions stack tests recorded in Ohio, 2024

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.