EPA Air · stack tests by county and year

Air-emissions stack tests in Los Angeles County, California, 2020

320Stack 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 Los Angeles County, California during 2020. 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 Los Angeles County facility page.

Los Angeles County, California, 2020

Air-emissions stack tests in Los Angeles County, other years

Air-emissions stack tests recorded in Los Angeles County, California, 2020

Date	Facility	Kind	Agency
2020-12-29	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-12-22	QUEMETCO INC	Pass	Local
2020-12-15	AES ALAMITOS STATION, LLC	Pass	Local
2020-12-15	LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file	Pending	Local
2020-12-15	AIR PRODUCTS AND CHEMICALS INC	Pass	Local
2020-12-11	ROBINSON HELICOPTER CO INC	Pass	Local
2020-12-10	KAISER ALUMINUM FABRICATED PRODUCTS	Pass	Local
2020-12-09	KAISER ALUMINUM FABRICATED PRODUCTS	Pass	Local
2020-12-04	LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file	Pass	Local
2020-12-04	LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file	Pass	Local
2020-12-03	ULTRAMAR INC	Pass	Local
2020-12-03	LA CITY BUREAU OF SANITATION (LOPEZ CANYON)	Pass	Local
2020-12-03	LA CITY BUREAU OF SANITATION (LOPEZ CANYON)	Fail	Local
2020-12-03	BURBANK CITY, BURBANK WATER & POWER SCPP	Pass	Local
2020-12-02	ULTRAMAR INC	Pass	Local
2020-12-01	AIR PRODUCTS MANUFACTURING, LLC — high-priority violation on file	Pass	Local
2020-11-30	OWENS CORNING ROOFING & ASPHALT, LLC	Pass	Local
2020-11-18	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-11-17	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-11-17	ULTRAMAR INC	Pass	Local
2020-11-16	ULTRAMAR INC	Pass	Local
2020-11-12	ULTRAMAR INC	Pass	Local
2020-11-12	ULTRAMAR INC	Pass	Local
2020-11-06	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-11-05	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-11-05	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-29	LADW&P-HAYNES STEAM	Pass	Local
2020-10-28	LADW&P-HAYNES STEAM	Pass	Local
2020-10-27	LADW&P-HAYNES STEAM	Pass	Local
2020-10-21	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-21	EL SEGUNDO ENERGY CENTER LLC	Pass	Local
2020-10-20	EL SEGUNDO ENERGY CENTER LLC	Pass	Local
2020-10-15	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-15	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-15	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-15	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-15	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-15	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-15	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-13	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-13	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-09	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-10-09	WEBER METALS INC	Pass	Local
2020-10-07	LADW&P-HAYNES STEAM	Pass	Local
2020-10-06	LADW&P-HAYNES STEAM	Pass	Local
2020-10-06	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-05	LADW&P-HAYNES STEAM	Pass	Local
2020-10-05	WEBER METALS INC	Pass	Local
2020-10-02	WEBER METALS INC	Pass	Local
2020-10-01	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-01	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-01	TORRANCE REFINING COMPANY LLC	Pass	Local
2020-10-01	WEBER METALS INC	Pass	Local
2020-09-30	CHEVRON PRODUCTS CO — high-priority violation on file	Pass	Local
2020-09-30	CHEVRON PRODUCTS CO — high-priority violation on file	Pass	Local
2020-09-30	CHEVRON PRODUCTS CO — high-priority violation on file	Pass	Local
2020-09-30	WEBER METALS INC	Pass	Local
2020-09-29	WEBER METALS INC	Pass	Local
2020-09-28	PROVIDENCE ST JOSEPH MEDICAL CENTER	Pass	Local
2020-09-28	PROVIDENCE ST JOSEPH MEDICAL CENTER	Pass	Local
2020-09-24	SONOCO PRODUCTS CO	Pass	Local
2020-09-24	SONOCO PRODUCTS CO	Pass	Local
2020-09-23	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-09-16	LA CO SANITATION DIST CALABASSAS LNDFILL	Pass	Local
2020-09-16	LA CO SANITATION DIST CALABASSAS LNDFILL	Pass	Local
2020-09-15	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-09-14	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-09-10	OWENS CORNING ROOFING & ASPHALT, LLC	Pass	Local
2020-09-10	PASADENA CITY, DWP (EIS USE)	Pass	Local
2020-09-04	MM LOPEZ ENERGY LLC	Pass	Local
2020-09-03	EQUILON ENTER. LLC, SHELL OIL PROD. US	Pass	Local
2020-09-02	TESORO REFINING AND MARKETING CO, LLC	Pass	Local
2020-09-02	MM WEST COVINA LLC	Pass	Local
2020-09-01	AES ALAMITOS STATION, LLC	Pass	Local
2020-08-31	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-31	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-31	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-28	AES ALAMITOS STATION, LLC	Pass	Local
2020-08-25	AES ALAMITOS STATION, LLC	Pass	Local
2020-08-25	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-24	AES ALAMITOS STATION, LLC	Pass	Local
2020-08-24	US GOVT, VETERANS AFFAIRS MEDICAL CENTER	Pass	Local
2020-08-24	US GOVT, VETERANS AFFAIRS MEDICAL CENTER	Pass	Local
2020-08-24	US GOVT, VETERANS AFFAIRS MEDICAL CENTER	Pass	Local
2020-08-20	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-19	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-19	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-14	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-13	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-13	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-13	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-12	PHILLIPS 66 CO/LA REFINERY WILMINGTON — high-priority violation on file	Pass	Local
2020-08-11	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-11	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-11	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-11	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-10	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-10	TESORO REFINING & MARKETING CO, LLC — high-priority violation on file	Pass	Local
2020-08-06	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local
2020-08-06	TESORO REFINING AND MARKETING CO — high-priority violation on file	Pass	Local

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