EPA Air · stack tests by state and year

Air-emissions stack tests in California, 2020

15,352Stack 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 2020; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in California, 2020

California, other years

Air-emissions stack tests recorded in California, 2020

Date	Facility	Where	Kind	Agency
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-04	ALTAGAS SAN JOAQUIN ENERGY INC	TRACY, San Joaquin, CA	Pass	Local
2020-08-03	MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC)	MOSS LANDING, Monterey, CA	Pass	Local
2020-08-03	OC WASTE & RECYCLING, FRB	IRVINE, Orange, CA	Pass	Local
2020-08-03	ARLON GRAPHICS LLC	PLACENTIA, Orange, CA	Pass	Local
2020-08-03	ARLON GRAPHICS LLC	PLACENTIA, Orange, CA	Pass	Local
2020-07-31	PROCTER & GAMBLE	SACRAMENTO, Sacramento, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-31	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	PHILLIPS 66 CO/LA REFINERY WILMINGTON — high-priority violation on file	WILMINGTON, Los Angeles, CA	Pass	Local
2020-07-30	INEOS POLYPROPYLENE LLC	CARSON, Los Angeles, CA	Pass	Local
2020-07-30	INEOS POLYPROPYLENE LLC	CARSON, Los Angeles, CA	Pass	Local
2020-07-30	INEOS POLYPROPYLENE LLC	CARSON, Los Angeles, CA	Pass	Local
2020-07-30	INEOS POLYPROPYLENE LLC	CARSON, Los Angeles, CA	Pass	Local
2020-07-30	INEOS POLYPROPYLENE LLC	CARSON, Los Angeles, CA	Pass	Local
2020-07-30	INEOS POLYPROPYLENE LLC	CARSON, Los Angeles, CA	Pass	Local
2020-07-30	INEOS POLYPROPYLENE LLC	CARSON, Los Angeles, CA	Pass	Local
2020-07-30	EASTERN MUNICIPAL WATER DISTRICT	TEMECULA, Riverside, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-30	LINN OPERATING INC — high-priority violation on file	TAFT, Kern, CA	Pass	Local
2020-07-29	REPUBLIC SERVICES OF SONOMA COUNTY — high-priority violation on file	PETALUMA (HISTORICAL), Sonoma, CA	Pass	Local
2020-07-29	PROCTER & GAMBLE	SACRAMENTO, Sacramento, CA	Fail	Local
2020-07-29	MARTIN LUTHER KING JR MEDICAL CAMPUS	LOS ANGELES, Los Angeles, CA	Pass	Local
2020-07-29	MARTIN LUTHER KING JR MEDICAL CAMPUS	LOS ANGELES, Los Angeles, CA	Pass	Local
2020-07-29	TOMA-TEK	FIREBAUGH, Fresno, CA	Pass	Local
2020-07-29	TOMA-TEK	FIREBAUGH, Fresno, CA	Pass	Local
2020-07-29	TOMA-TEK	FIREBAUGH, Fresno, CA	Pass	Local
2020-07-29	TOMA-TEK	FIREBAUGH, Fresno, CA	Pass	Local
2020-07-29	TOMA-TEK	FIREBAUGH, Fresno, CA	Pass	Local
2020-07-29	TOMA-TEK	FIREBAUGH, Fresno, CA	Pass	Local
2020-07-29	TOMA-TEK	FIREBAUGH, Fresno, CA	Pass	Local

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