EPA Air · stack tests by state, industry and year

Pipeline transportation (NAICS 4861): stack tests in California, 2018

• 73Stack 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 2018 at a California source whose primary industry code is NAICS 4861. A facility filing more than one industry code is counted under the first one on its record.

Pipeline transportation (NAICS 4861) in California, other years

• 2026 5
• 2025 4
• 2024 15
• 2023 30
• 2022 39
• 2021 230
• 2020 18
• 2019 27
• 2017 45

Other industries in California, 2018

• Oil and gas extraction (NAICS 2111) 2,368
• Utilities (NAICS 2211) 2,180
• Petroleum and coal products manufacturing (NAICS 3241) 321
• NAICS 9999 249
• Nonmetallic mineral product manufacturing (NAICS 3272) 239
• Food manufacturing (NAICS 3114) 185
• Utilities (NAICS 2213) 170
• Waste management and remediation (NAICS 5622) 163
• Food manufacturing (NAICS 3119) 113
• Beverage and tobacco manufacturing (NAICS 3121) 82
• Pipeline transportation (NAICS 4862) 80
• Food manufacturing (NAICS 3115) 68
• Merchant wholesalers, nondurable goods (NAICS 4247) 64
• Plastics and rubber products manufacturing (NAICS 3261) 62
• Chemical manufacturing (NAICS 3253) 58
• Animal production (NAICS 1121) 52
• Utilities (NAICS 2212) 48
• Fabricated metal product manufacturing (NAICS 3321) 47
• Executive and legislative government (NAICS 9211) 41
• Justice, public order and safety (NAICS 9221) 40
• Hospitals (NAICS 6221) 35
• Paper manufacturing (NAICS 3222) 33
• Food manufacturing (NAICS 3116) 28
• Primary metal manufacturing (NAICS 3315) 20
• Fabricated metal product manufacturing (NAICS 3324) 19
• Mining and quarrying (NAICS 2123) 19
• Chemical manufacturing (NAICS 3251) 18
• National security and international affairs (NAICS 9281) 17
• Transportation equipment manufacturing (NAICS 3364) 17
• Primary metal manufacturing (NAICS 3312) 16
• Waste management and remediation (NAICS 5629) 15
• Nonmetallic mineral product manufacturing (NAICS 3273) 13
• Fabricated metal product manufacturing (NAICS 3328) 11
• Nonmetallic mineral product manufacturing (NAICS 3279) 10
• Printing and related support (NAICS 3231) 10
• Educational services (NAICS 6113) 9
• Fabricated metal product manufacturing (NAICS 3323) 8
• Administration of environmental programs (NAICS 9241) 7
• Animal production (NAICS 1123) 6
• Wood product manufacturing (NAICS 3219) 5
• Agriculture and forestry support (NAICS 1151) 4
• Miscellaneous manufacturing (NAICS 3399) 4
• Support activities for transportation (NAICS 4881) 4
• NAICS 4543 4
• Ambulatory health care services (NAICS 6211) 3
• Chemical manufacturing (NAICS 3256) 3
• Furniture and related product manufacturing (NAICS 3372) 3
• Miscellaneous manufacturing (NAICS 3391) 3
• Food manufacturing (NAICS 3112) 3
• Chemical manufacturing (NAICS 3254) 3
• Primary metal manufacturing (NAICS 3314) 3
• Chemical manufacturing (NAICS 3252) 3
• Food manufacturing (NAICS 3117) 3

Air-emissions stack tests recorded in California, 2018

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.