EPA Air · stack tests by state, industry and year

Petroleum and coal products manufacturing (NAICS 3241): stack tests in Montana, 2019

91Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2019 at a Montana source whose primary industry code is NAICS 3241. A facility filing more than one industry code is counted under the first one on its record.

Petroleum and coal products manufacturing (NAICS 3241) in Montana, other years

Other industries in Montana, 2019

Air-emissions stack tests recorded in Montana, 2019

Date	Facility	Where	Kind	Agency
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-03	PAR MONTANA BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-12-02	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-11-04	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-11-04	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-10-16	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Fail	State
2019-10-08	PAR MONTANA BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-09-30	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-09-30	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-09-30	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-09-25	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-09-25	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-14	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-08-08	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-08-02	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-07-30	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-30	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-30	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-30	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-28	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-12	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-10	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-07-10	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-07-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-28	PAR MONTANA BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-06-28	PAR MONTANA BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-06-28	PAR MONTANA BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-06-05	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-28	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-05-28	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-05-06	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-03-19	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Fail	State
2019-03-19	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Fail	State
2019-03-19	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Fail	State
2019-03-01	CHS INC REFINERY LAUREL	LAUREL, Yellowstone, MT	Pass	State
2019-01-31	BILLINGS REFINERY	BILLINGS, Yellowstone, MT	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State
2019-01-28	CALUMET MONTANA REFINING — high-priority violation on file	GREAT FALLS, Cascade, MT	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.