EPA Air · stack tests by state, industry and year

Computer and electronic product manufacturing (NAICS 3344): stack tests in Washington, 2020

• 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 2020 at a Washington source whose primary industry code is NAICS 3344. A facility filing more than one industry code is counted under the first one on its record.

Computer and electronic product manufacturing (NAICS 3344) in Washington, other years

• 2018 6
• 2017 4

Other industries in Washington, 2020

• Paper manufacturing (NAICS 3221) 128
• Utilities (NAICS 2211) 41
• Petroleum and coal products manufacturing (NAICS 3241) 40
• NAICS 9999 24
• Nonmetallic mineral product manufacturing (NAICS 3272) 19
• Chemical manufacturing (NAICS 3251) 18
• Transportation equipment manufacturing (NAICS 3364) 14
• Pipeline transportation (NAICS 4862) 13
• Chemical manufacturing (NAICS 3252) 12
• Paper manufacturing (NAICS 3222) 8
• Hospitals (NAICS 6221) 8
• Food manufacturing (NAICS 3118) 7
• Nonmetallic mineral product manufacturing (NAICS 3273) 7
• Utilities (NAICS 2213) 7
• Wood product manufacturing (NAICS 3211) 6
• National security and international affairs (NAICS 9281) 6
• Primary metal manufacturing (NAICS 3311) 5
• Merchant wholesalers, nondurable goods (NAICS 4247) 4
• Nonmetallic mineral product manufacturing (NAICS 3274) 4
• Wood product manufacturing (NAICS 3219) 4
• Merchant wholesalers, durable goods (NAICS 4239) 3
• Waste management and remediation (NAICS 5622) 3
• Primary metal manufacturing (NAICS 3315) 3
• Support activities for transportation (NAICS 4883) 3
• Wood product manufacturing (NAICS 3212) 3
• Primary metal manufacturing (NAICS 3313) 3

Air-emissions stack tests recorded in Washington, 2020

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.