Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Knox County, Maine, 2022

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 Knox County, Maine during 2022. 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 Knox County facility page.

Knox County, Maine, 2022

Air-emissions stack tests in Knox County, other years

Air-emissions stack tests recorded in Knox County, Maine, 2022

DateFacilityKindAgency
2022-06-24HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on filePassState
2022-05-24HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on filePassState
2022-05-24HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on filePassState
2022-05-23HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on filePassState

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 and stack tests in Knox county, ME, in 2022. It lists 4 stack tests recorded in 2022.