Liberte Environmental Associates



Air Quality Permits Potentially Affecting Water Quality




Current Draft Title V Air Quality Permit- Released by Oregon Department of Environmental Quality


Northwest Pipe Company: Draft Title V Air Permit Related Documents

The DEQ comment period for this proposed renewal of an Air Quality Permit ends February 7, 2007. The facility is located in Portland, Oregon and manufactures metal pipe and tube with coatings. In the draft permit, this source is now subject to federal regulations for National Emissions Standards for Hazardous Air Pollutants (NESHAPS) for surface coating of miscellaneous metal parts and products, 40 CFR PART 63 Subpart MMMM, which was promulgated in 2004. The NESHAP applies to each new or existing affected source at that uses 946 liters (250 gallons) per year, or more, of coatings that contain hazardous air pollutants (HAP) in the surface coating of miscellaneous metal parts and products and that is a major source of emissions of HAP. [40 CFR 63.3881(b)]

Northwest Pipe Company Public Notice

Northwest Pipe Company Draft Title V Permit

Northwest Pipe Company Draft Review Report