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 |
|---|---|---|---|---|
| 2018-09-19 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-19 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-19 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-19 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-19 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2018-09-18 | WESTERN REGIONAL LANDFILL | LINCOLN, Placer, CA | Pass | Local |
| 2018-09-18 | AIR PRODUCTS MANUFACTURING, LLC — high-priority violation on file | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2018-09-18 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-18 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-18 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-18 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-18 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-18 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-18 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-18 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2018-09-17 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2018-09-17 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-17 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-17 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-17 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-17 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-17 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-17 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2018-09-17 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2018-09-17 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2018-09-17 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2018-09-17 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2018-09-17 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2018-09-17 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-17 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-17 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-17 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-17 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-17 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-17 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-17 | PACIFIC ETHANOL STOCKTON — high-priority violation on file | STOCKTON, San Joaquin, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2018-09-14 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.