EPA Air · stack tests by state, industry and year

Chemical manufacturing (NAICS 3253): stack tests in Mississippi, 2019

• 8Stack 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 2019 at a Mississippi source whose primary industry code is NAICS 3253. A facility filing more than one industry code is counted under the first one on its record.

Chemical manufacturing (NAICS 3253) in Mississippi, other years

• 2025 14
• 2023 14
• 2021 8
• 2017 9

Other industries in Mississippi, 2019

• Pipeline transportation (NAICS 4862) 105
• Paper manufacturing (NAICS 3221) 103
• Chemical manufacturing (NAICS 3251) 70
• Utilities (NAICS 2211) 51
• Nonmetallic mineral product manufacturing (NAICS 3279) 39
• Utilities (NAICS 2212) 38
• Mining and quarrying (NAICS 2123) 34
• Petroleum and coal products manufacturing (NAICS 3241) 29
• Wood product manufacturing (NAICS 3212) 24
• Chemical manufacturing (NAICS 3256) 24
• Oil and gas extraction (NAICS 2111) 24
• Wood product manufacturing (NAICS 3219) 16
• Food manufacturing (NAICS 3112) 7
• Miscellaneous manufacturing (NAICS 3399) 4
• Transportation equipment manufacturing (NAICS 3361) 4
• Wood product manufacturing (NAICS 3211) 4
• NAICS 9999 4
• Waste management and remediation (NAICS 5622) 3

Air-emissions stack tests recorded in Mississippi, 2019

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.