Monitored Chemical Air Concentrations Comparison April 2019-April 5, 2021Updatehttps://www.tceq.texas.gov/downloads/response/covid-19/monitored-air-concentrations-during-enforcement-period-april-2019-april-2021.pptx/viewhttps://www.tceq.texas.gov/@@site-logo/TCEQ-logo-header.png
Monitored Chemical Air Concentrations Comparison April 2019-April 5, 2021
monitored-air-concentrations-during-enforcement-period-april-2019-april-2021.pptx