EPA Air · stack tests by state, industry and year

Petroleum and coal products manufacturing (NAICS 3241): stack tests in Tennessee, 2026

• 17Stack 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 2026 at a Tennessee source whose primary industry code is NAICS 3241. A facility filing more than one industry code is counted under the first one on its record.

Petroleum and coal products manufacturing (NAICS 3241) in Tennessee, other years

• 2025 16
• 2024 18
• 2023 21
• 2022 17
• 2021 14
• 2020 20
• 2019 19
• 2018 19
• 2017 27

Other industries in Tennessee, 2026

• Utilities (NAICS 2211) 11
• Chemical manufacturing (NAICS 3251) 10
• Data processing and hosting (NAICS 5182) 8
• Pipeline transportation (NAICS 4862) 7
• Waste management and remediation (NAICS 5622) 4
• Nonmetallic mineral product manufacturing (NAICS 3273) 3
• Primary metal manufacturing (NAICS 3313) 3

Air-emissions stack tests recorded in Tennessee, 2026

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.