Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Harris County, Texas, 2021

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 Harris County, Texas during 2021. 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 Harris County facility page.

Harris County, Texas, 2021

Air-emissions stack tests in Harris County, other years

Air-emissions stack tests recorded in Harris County, Texas, 2021

DateFacilityKindAgency
2021-08-31EXXON MOBIL CHEMICAL BAYTOWN OLEFINS PLANT — high-priority violation on filePassState
2021-08-31EXXON MOBIL CHEMICAL BAYTOWN OLEFINS PLANT — high-priority violation on filePassState
2021-08-31EXXON MOBIL CHEMICAL BAYTOWN OLEFINS PLANT — high-priority violation on filePassState
2021-08-13MAUSERPassState
2021-08-13LCY ELASTOMERS — high-priority violation on filePassState
2021-08-13LCY ELASTOMERS — high-priority violation on filePassState
2021-08-06SHELL CHEMICAL — high-priority violation on filePassState
2021-07-23MORGANS POINT COMPLEXPassState
2021-07-23MORGANS POINT COMPLEXPassState
2021-07-08GALENA PARK TERMINAL — high-priority violation on filePassState
2021-06-16FLINT HILLS RESOURCES HOUSTON CHEMICALPassState
2021-06-16FLINT HILLS RESOURCES HOUSTON CHEMICALPassState
2021-05-28FLINT HILLS RESOURCES HOUSTON CHEMICALPassState
2021-05-28FLINT HILLS RESOURCES HOUSTON CHEMICALPassState
2021-05-28FLINT HILLS RESOURCES HOUSTON CHEMICALPassState
2021-05-28FLINT HILLS RESOURCES HOUSTON CHEMICALPassState
2021-05-24CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT — high-priority violation on fileFailState
2021-03-31PRAXAIR CLEAR LAKE PLANTPassState
2021-03-11SASOL CHEMICALS USA GREENS BAYOU PLANTPassState
2021-02-25EQUISTAR CHEMICALS LA PORTE COMPLEX — high-priority violation on filePassState
2021-02-10DEER PARK VCM PLANTFailState
2021-02-10DEER PARK VCM PLANTPassState
2021-02-10AMERICAN ACRYL PASADENAFailState
2021-01-29EQUISTAR CHEMICALS LA PORTE COMPLEX — high-priority violation on filePassState
2021-01-29EQUISTAR CHEMICALS LA PORTE COMPLEX — high-priority violation on filePassState
2021-01-20EXXONMOBIL BAYTOWN REFINERY — high-priority violation on filePassState
2021-01-20EXXONMOBIL BAYTOWN REFINERY — high-priority violation on filePassState
2021-01-20EXXONMOBIL BAYTOWN REFINERY — high-priority violation on filePassState
2021-01-20EXXONMOBIL BAYTOWN REFINERY — high-priority violation on filePassState
2021-01-20EXXONMOBIL BAYTOWN REFINERY — high-priority violation on filePassState
2021-01-19HOUSTON TERMINALPassState
2021-01-19HOUSTON TERMINALPassState
2021-01-19BAYPORT POLYMERSPassState

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

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in Harris county, TX, in 2021. It lists 33 stack tests recorded in 2021.