EPA Air · stack tests by state and year

Air-emissions stack tests in California, 2019

6,897Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in California during 2019; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in California, 2019

California, other years

Air-emissions stack tests recorded in California, 2019

Date	Facility	Where	Kind	Agency
2019-08-01	TORRANCE REFINING COMPANY LLC	TORRANCE, Los Angeles, CA	Pass	Local
2019-08-01	PHILLIPS 66 CO/LA REFINERY WILMINGTON — high-priority violation on file	WILMINGTON, Los Angeles, CA	Pending	Local
2019-08-01	CALIFORNIA STEEL INDUSTRIES INC — high-priority violation on file	FONTANA, San Bernardino, CA	Pass	Local
2019-08-01	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-08-01	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-08-01	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-08-01	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-08-01	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-08-01	GALLO GLASS CO — high-priority violation on file	MODESTO, Stanislaus, CA	Fail	Local
2019-07-31	WEST CONTRA COSTA SANITARY LANDFILL — high-priority violation on file	RICHMOND, Contra Costa, CA	Pass	Local
2019-07-31	CAL PORTLAND CEMENT	ORO GRANDE, San Bernardino, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-30	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LINN OPERATING INC — high-priority violation on file	BAKERSFIELD, Kern, CA	Fail	Local
2019-07-29	LINN OPERATING INC — high-priority violation on file	BAKERSFIELD, Kern, CA	Fail	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	LA PALOMA GENERATING PLANT	MCKITTRICK, Kern, CA	Pass	Local
2019-07-29	HILMAR CHEESE COMPANY — high-priority violation on file	HILMAR, Merced, CA	Pass	Local
2019-07-29	HILMAR CHEESE COMPANY — high-priority violation on file	HILMAR, Merced, CA	Pass	Local
2019-07-29	HILMAR CHEESE COMPANY — high-priority violation on file	HILMAR, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Pass	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Fail	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Fail	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Fail	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Fail	Local
2019-07-29	LIBERTY PACKING CO.	VOLTA, Merced, CA	Fail	Local
2019-07-26	TEX-TECH ENGINEERED COMPOSITES INC	GARDENA, Los Angeles, CA	Fail	Local
2019-07-26	CHEVRON USA INC- HEAVY OIL — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2019-07-26	CHEVRON USA INC- HEAVY OIL — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2019-07-26	CHEVRON USA INC- HEAVY OIL — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2019-07-26	CHEVRON USA INC- HEAVY OIL — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2019-07-26	CHEVRON USA INC- HEAVY OIL — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local
2019-07-26	CHEVRON USA INC- HEAVY OIL — high-priority violation on file	BAKERSFIELD, Kern, CA	Pass	Local

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