Tag: State Implementation Plan (SIP)

Air Quality: New Ozone Standard Designed to Protect Public Health

By Jay Baker On October 1, 2015, the Environmental Protection Agency (EPA) set a new National Ambient Air Quality Standard (NAAQS) for ground-level ozone, lowering it from 75 to 70 parts per billion (ppb). The change was based on thousands of scientific studies that demonstrated the need for a lower standard to protect public health …

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