Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by county and year

Air-emissions stack tests in Calcasieu County, Louisiana, 2024

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 Calcasieu County, Louisiana during 2024. 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 Calcasieu County facility page.

Calcasieu County, Louisiana, 2024

Air-emissions stack tests in Calcasieu County, other years

Air-emissions stack tests recorded in Calcasieu County, Louisiana, 2024

DateFacilityKindAgency
2024-12-19WESTLAKE CHEMICAL OPCO LP - WESTLAKE PETROCHEMICAL COMPLEXPassState
2024-11-13INDORAMA VENTURES OLEFINS LLC - WESTLAKE ETHYLENE PLANTPassState
2024-11-12INDORAMA VENTURES OLEFINS LLC - WESTLAKE ETHYLENE PLANTPassState
2024-08-29WESTLAKE STYRENE LLC - STYRENE MONOMER PRODUCTION FACILITYPassState
2024-07-09WESTLAKE CHEMICAL OPCO LP - WESTLAKE PETROCHEMICAL COMPLEXPassState
2024-05-22EAST CALCASIEU COMPRESSOR STATIONPassState

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