Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Carlton County, Minnesota, 2020

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Carlton County, Minnesota during 2020. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Carlton County facility page.

Air-emissions stack tests in Carlton County, other years

Air-emissions stack tests recorded in Carlton County, Minnesota, 2020

DateFacilityKindAgency
2020-12-15NORTHERN NATURAL GAS CO - CARLTONPassState
2020-11-19SAPPI CLOQUET LLCPassState
2020-11-17SAPPI CLOQUET LLCPassState
2020-10-13SAPPI CLOQUET LLCPassState
2020-10-06SPECIALTY MINERALS INC - CLOQUETPassState
2020-09-30USG INTERIORS LLC - CLOQUET MNPassState
2020-09-28USG INTERIORS LLC - CLOQUET MNPassState
2020-08-05SAPPI CLOQUET LLCPassState
2020-08-05USG INTERIORS LLC - CLOQUET MNPassState
2020-08-04SAPPI CLOQUET LLCPassState
2020-06-16USG INTERIORS LLC - CLOQUET MNPassState
2020-06-10SAPPI CLOQUET LLCPassState
2020-05-05USG INTERIORS LLC - CLOQUET MNFailState
2020-02-04SAPPI CLOQUET LLCPassState

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Carlton county, MN, in 2020. It lists 14 stack tests recorded in 2020.