EPA Air · stack tests by state and year
Air-emissions stack tests in California, 2018
- 7,098Stack 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 2018; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in California, 2018
- Kern County 3,352
- Fresno County 927
- San Joaquin County 584
- Stanislaus County 548
- Kings County 458
- Los Angeles County 412
- Merced County 214
- San Bernardino County 124
- Madera County 120
- Tulare County 116
- Orange County 61
- Riverside County 46
- Monterey County 36
- Ventura County 26
- Sacramento County 18
- Placer County 14
- San Diego County 14
- Sonoma County 10
- Alameda County 5
- Contra Costa County 5
- Santa Cruz County 3
California, other years
Air-emissions stack tests recorded in California, 2018
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2018-10-31 | PROCTER & GAMBLE | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-31 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-10-30 | LA CITY DWP- VALLEY GENERATING STN | SUN VALLEY, Los Angeles, CA | Pass | Local |
| 2018-10-30 | CITY OF HOPE MEDICAL CENTER | DUARTE, Los Angeles, CA | Pass | Local |
| 2018-10-30 | CITY OF HOPE MEDICAL CENTER | DUARTE, Los Angeles, CA | Pass | Local |
| 2018-10-30 | IMPERIAL IRRIGATION DISTRICT/COACHELLA | COACHELLA, Riverside, CA | Pass | Local |
| 2018-10-29 | TEX-TECH ENGINEERED COMPOSITES INC | GARDENA, Los Angeles, CA | Pass | Local |
| 2018-10-29 | SO CAL EDISON CO | AVALON, Los Angeles, CA | Pass | Local |
| 2018-10-29 | OC WASTE & RECYCLING, COYOTE | NEWPORT COAST, Orange, CA | Pending | Local |
| 2018-10-29 | SNOW SUMMIT LLC | BIG BEAR LAKE, San Bernardino, CA | Fail | Local |
| 2018-10-26 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2018-10-26 | OWENS-BROCKWAY GLASS CONTAINER — high-priority violation on file | VERNON, Los Angeles, CA | Pass | Local |
| 2018-10-26 | PHILLIPS 66 CO/LA REFINERY WILMINGTON — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pending | Local |
| 2018-10-26 | PHILLIPS 66 CO/LA REFINERY WILMINGTON — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pending | Local |
| 2018-10-26 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2018-10-26 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2018-10-25 | SILGAN CONTAINERS | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2018-10-25 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2018-10-25 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-25 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-25 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-25 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-25 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-25 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Fail | Local |
| 2018-10-24 | TESORO REFINING & MARKETING COMPANY — high-priority violation on file | MARTINEZ, Contra Costa, CA | Pass | Local |
| 2018-10-24 | AIR PRODUCTS MANUFACTURING, LLC — high-priority violation on file | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2018-10-24 | LA CITY DWP- VALLEY GENERATING STN | SUN VALLEY, Los Angeles, CA | Pass | Local |
| 2018-10-24 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2018-10-24 | INSULFOAM | CHINO, San Bernardino, CA | Pass | Local |
| 2018-10-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2018-10-24 | TRUSTEES OF CSU & CSUCI SITE AUTHORITY | CAMARILLO, Ventura, CA | Pass | Local |
| 2018-10-23 | CHEVRON USA | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2018-10-23 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pending | Local |
| 2018-10-23 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2018-10-23 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2018-10-23 | OC WASTE & RECYCLING, FRB | IRVINE, Orange, CA | Pending | Local |
| 2018-10-23 | BLUESCOPE COATED PRODUCTS LLC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2018-10-23 | FRESNO/CLOVIS REGIONAL WWTP — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2018-10-23 | FRESNO/CLOVIS REGIONAL WWTP — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2018-10-23 | FRESNO/CLOVIS REGIONAL WWTP — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2018-10-23 | FRESNO/CLOVIS REGIONAL WWTP — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2018-10-23 | FRESNO/CLOVIS REGIONAL WWTP — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2018-10-23 | FRESNO/CLOVIS REGIONAL WWTP — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2018-10-23 | TRUSTEES OF CSU & CSUCI SITE AUTHORITY | CAMARILLO, Ventura, CA | Pass | Local |
| 2018-10-22 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2018-10-22 | OC WASTE & RECYCLING, FRB | IRVINE, Orange, CA | Pending | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-10-22 | AERA ENERGY — 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.