Velarion Records

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

EPA Air · stack tests by county and year

Air-emissions stack tests in Baltimore County, Maryland, 2025

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 Baltimore County, Maryland during 2025. 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 Baltimore County facility page.

Baltimore County, Maryland, 2025

Air-emissions stack tests in Baltimore County, other years

Air-emissions stack tests recorded in Baltimore County, Maryland, 2025

DateFacilityKindAgency
2025-11-05SCHMIDT BAKINGPassState
2025-10-23EASTERN SANITARY LANDFILLPassState
2025-08-25AMRIZE - SPARROWS POINT FACILITYPassState
2025-06-26SCHMIDT BAKINGPassState
2025-06-25SCHMIDT BAKINGPassState

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