EPA Air · stack tests by county and year

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

33Stack 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 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

Date	Facility	Kind	Agency
2021-08-31	EXXON MOBIL CHEMICAL BAYTOWN OLEFINS PLANT — high-priority violation on file	Pass	State
2021-08-31	EXXON MOBIL CHEMICAL BAYTOWN OLEFINS PLANT — high-priority violation on file	Pass	State
2021-08-31	EXXON MOBIL CHEMICAL BAYTOWN OLEFINS PLANT — high-priority violation on file	Pass	State
2021-08-13	MAUSER	Pass	State
2021-08-13	LCY ELASTOMERS — high-priority violation on file	Pass	State
2021-08-13	LCY ELASTOMERS — high-priority violation on file	Pass	State
2021-08-06	SHELL CHEMICAL — high-priority violation on file	Pass	State
2021-07-23	MORGANS POINT COMPLEX	Pass	State
2021-07-23	MORGANS POINT COMPLEX	Pass	State
2021-07-08	GALENA PARK TERMINAL — high-priority violation on file	Pass	State
2021-06-16	FLINT HILLS RESOURCES HOUSTON CHEMICAL	Pass	State
2021-06-16	FLINT HILLS RESOURCES HOUSTON CHEMICAL	Pass	State
2021-05-28	FLINT HILLS RESOURCES HOUSTON CHEMICAL	Pass	State
2021-05-28	FLINT HILLS RESOURCES HOUSTON CHEMICAL	Pass	State
2021-05-28	FLINT HILLS RESOURCES HOUSTON CHEMICAL	Pass	State
2021-05-28	FLINT HILLS RESOURCES HOUSTON CHEMICAL	Pass	State
2021-05-24	CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT — high-priority violation on file	Fail	State
2021-03-31	PRAXAIR CLEAR LAKE PLANT	Pass	State
2021-03-11	SASOL CHEMICALS USA GREENS BAYOU PLANT	Pass	State
2021-02-25	EQUISTAR CHEMICALS LA PORTE COMPLEX — high-priority violation on file	Pass	State
2021-02-10	DEER PARK VCM PLANT	Fail	State
2021-02-10	DEER PARK VCM PLANT	Pass	State
2021-02-10	AMERICAN ACRYL PASADENA	Fail	State
2021-01-29	EQUISTAR CHEMICALS LA PORTE COMPLEX — high-priority violation on file	Pass	State
2021-01-29	EQUISTAR CHEMICALS LA PORTE COMPLEX — high-priority violation on file	Pass	State
2021-01-20	EXXONMOBIL BAYTOWN REFINERY — high-priority violation on file	Pass	State
2021-01-20	EXXONMOBIL BAYTOWN REFINERY — high-priority violation on file	Pass	State
2021-01-20	EXXONMOBIL BAYTOWN REFINERY — high-priority violation on file	Pass	State
2021-01-20	EXXONMOBIL BAYTOWN REFINERY — high-priority violation on file	Pass	State
2021-01-20	EXXONMOBIL BAYTOWN REFINERY — high-priority violation on file	Pass	State
2021-01-19	HOUSTON TERMINAL	Pass	State
2021-01-19	HOUSTON TERMINAL	Pass	State
2021-01-19	BAYPORT POLYMERS	Pass	State

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