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 Mineral County, Nevada, 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 Mineral County, Nevada 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 Mineral County facility page.

Mineral County, Nevada, 2025

Air-emissions stack tests in Mineral County, other years

Air-emissions stack tests recorded in Mineral County, Nevada, 2025

DateFacilityKindAgency
2025-12-17ISABELLA PEARL MINEPassState
2025-12-17ISABELLA PEARL MINEFailState
2025-11-07BOREALIS MINEFailState

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