TCEQ Form 21020 - Certification of Legally and Practicable Enforceable Criteria for New Source Performance Standards OOOOb (PDF)
TCEQ Form 21020 - Certification of Legally and Practicable Enforceable Criteria for New Source Performance Standards OOOOb (PDF)
https://www.tceq.texas.gov/downloads/permitting/air/forms/nsr/21020.pdf/view
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TCEQ Form 21020 - Certification of Legally and Practicable Enforceable Criteria for New Source Performance Standards OOOOb (PDF)
TCEQ Form 21020 - Certification of Legally and Practicable Enforceable Criteria for New Source Performance Standards OOOOb (PDF)