CFR›Title 40›Chapter I›Part 60›Subpart OOOOc›Subject Group Use of Model Rule ContainsSections 60.5376c–60.5378cCorpusDaily eCFRDisplayed edition2026-08-31Last updated2026-08-31 Sections 60.5376c § 60.5376c What is the “model rule” in this subpart? 60.5377c § 60.5377c How does the model rule relate to the required elements of my state or Tribal plan? 60.5378c § 60.5378c What are the principal components of the model rule? Previous Model Rule—Test Methods and Performance Testing Model Rule—Test Methods and Performance Testing