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Knife River Inc. Asphalt Plants, Non-Title V Permit and Technical Support Document

EPA's Non-Title air permits and supporting documents for Knife River Inc. Portable Hot Mix Asphalt Plants at Astec, CMI and Gencor.

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Knife River (Astec) Non-Title V Permit and Technical Support Document (PDF)(51 pp, 1 MB)
Knife River (CMI) Non-Title V Permit and Technical Support Document (PDF)(46 pp, 1 MB)
Knife River (Gencor) Non-Title V Permit and Technical Support Document (PDF)(53 pp, 2 MB)