Castor (D-FL) - Amendment No. 1 - Halts implementation of the Ozone Standards Implementation Act of 2017 if the Clean Air Scientific Advisory Committee finds that application could increase health risks to vulnerable populations including children, seniors, pregnant women, outdoor workers, and minority and low-income communities
Tonko (D-NY) - Amendment No. 2 - Strikes subsection (b) of Section 3, which would allow EPA to consider technological feasibility when determining what level of pollution is safe
Beyer (D-VA) - Amendment No. 3 - Strikes subsection (h) of section 3 (relating to exceptional events)
Polis (D-CO) - Amendment No. 4 - Closes the loophole which prevents aggregating emissions from any oil or gas exploration or production well. Additionally, it seeks to require the EPA to add hydrogen sulfide to the list of hazardous air pollutants
McNerney (D-CA) - Amendment No. 5 - Strikes section 6 of the bill
McNerney (D-CA) - Amendment No. 6 - SUBSTITUTE Strikes the underlying bill and replaces it with a grant program to benefit regions with the poorest air quality