Butte-Silver Bow County, Montana Waiver Request for Spring-Assisted Swing Check Valves

This is a denied waiver of the AIS requirements.

After conducting market research, EPA identified one manufacturer that indicated they could produce the specific valve in question in a reasonable timeframe. EPA provided this information to the assistance recipient and received confirmation that the product would be suitable for the project. Therefore, EPA is not approving this waiver request.

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