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Regulation & law · 24/09/2009

EPA Approves Indiana's Lead Maintenance Plan Update

The US Environmental Protection Agency (EPA) has approved an update to Indiana's lead maintenance plan for Marion County, which aims to maintain the state's compliance with the 1.5 micrograms per cubic meter National Ambient Air Quality Standard (NAAQS) set in 1978.

Original source language: Federal Register — All DocumentsOpen original release →

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