Region 12 Butadiene Report 09-03-2020 Update https://www.tceq.texas.gov/downloads/response/hurricanes/laura/air-quality/r12-butadiene-09-03-2020.pdf/view https://www.tceq.texas.gov/@@site-logo/TCEQ-logo-header.png Region 12 Butadiene Report 09-03-2020 Update r12-butadiene-09-03-2020.pdf — 332.4 KB