EPA Air · stack tests by county and year

Air-emissions stack tests in Cascade County, Montana, 2019

19Stack tests

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 Cascade County, Montana during 2019. 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 Cascade County facility page.

Air-emissions stack tests in Cascade County, other years

Air-emissions stack tests recorded in Cascade County, Montana, 2019

Date	Facility	Kind	Agency
2019-09-09	MT WASTE SYSTEMS - HIGH PLAINS LANDFILL	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-08-02	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-05-06	MALMSTROM AFB	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	Pass	State
2019-01-28	MALMSTROM AFB	Pass	State

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