Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by state, industry and year

Pipeline transportation (NAICS 4862): stack tests in Minnesota, 2025

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 2025 at a Minnesota source whose primary industry code is NAICS 4862. A facility filing more than one industry code is counted under the first one on its record.

Pipeline transportation (NAICS 4862) in Minnesota, other years

Other industries in Minnesota, 2025

Air-emissions stack tests recorded in Minnesota, 2025

DateFacilityWhereKindAgency
2025-12-17NORTHERN NATURAL GAS CO - NORTH BRANCHHARRIS, Chisago, MNPassState
2025-12-16NORTHERN NATURAL GAS - FARMINGTONFARMINGTON, Dakota, MNPassState
2025-11-20NORTHERN NATURAL GAS - ALBERT LEAHARTLAND, Freeborn, MNPassState
2025-11-18NORTHERN NATURAL GAS CO - FARIBAULTFARIBAULT, Rice, MNPassState
2025-11-11ALLIANCE PIPELINE - ALBERT LEA 25-AALBERT LEA, Freeborn, MNPassState
2025-09-30GREAT LAKES GAS TRANSMISSION - STATION 1SAINT VINCENT, Kittson, MNN/AState
2025-06-03GREAT LAKES GAS TRANSMISSION - STATION 1SAINT VINCENT, Kittson, MNPassState
2025-05-02VIKING GAS TRANSMISSION - ANGUS COMPRESSOR STATIONANGUS, Polk, MNPassState
2025-05-01VIKING GAS TRANSMISSION CO - FRAZEE COMPRESSOR STATIONFRAZEE, Otter Tail, MNPassState
2025-04-30VIKING GAS TRANSMISSION CO - ADA COMPRESSOR STATIONADA, Norman, MNPassState

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.