Environmentalists, Democrats Clash With Industries Over PM NAAQS Plan

Environmentalists, primarily Democratic-led states and lawmakers are clashing with major industry groups over EPA’s proposal to retain its suite of particulate matter (PM) ambient air standards, as critics of the plan say it will damage public health while supporters counter that the existing limits adequately curb PM health risks. The competing claims are detailed in written comments submitted ahead of EPA’s June 29 deadline for public input on its April 30 proposed rule that would leave the PM standards in...