Rule 3750-20-30 | List of extremely hazardous substances and their threshold planning quantities.
[Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see paragraph (AA) of rule 3750-1-01 of the Administrative Code titled "Referenced materials."]
(A) EHSs and the EHSs' applicable threshold planning quantities and reportable quantities are those substances and quantities listed by the administrator of USEPA under 40 CFR Part 355, Appendices A and B.
(B) EHSs and the EHSs' applicable threshold planning quantities and reportable quantities are those substances and quantities listed by the commission pursuant to divisions (B)(4) and (C)(5) of section 3750.02 of the Revised Code.
Last updated April 1, 2026 at 9:14 AM