Nippon Dynawave, Longview

We regulate the air, water, and hazardous waste activities at the Nippon Dynawave Packaging Company pulp and paper mill in Longview. On Sept. 1, 2016, Nippon bought the mill from Weyerhaeuser.

Air quality: Proposed changes to extruders operation permit limits

The comment period ended July 11, 2019, on proposed notice of construction (NOC) order 16181, the associated State Environmental Policy Act (SEPA) determination of nonsignificance, and changes to the mill's air operating permit.

This would increase some permit limits, allowing increases in some air pollutants, at Nippon Dynawave's extruders operations. The extruders apply a polymer to the surface of paperboard to make liquid packaging containers (such as milk cartons and paper cups). No physical change to the extruders operation is included in the project.

Read the public comment notice for information on the comment period. Read the project application, support document, and SEPA checklist for more information on the project.

Air quality impacts
The changes allow the following air pollutant (emission) limits to increase:

  • Particulate matter above 10 microns in size (PM10) by 1 pound/hour (lb/hr)

  • PM2.5 by 0.1 lb/hr

  • Volatile organic compounds by 4.5 lb/hr, 19.7 tons/year

As long as all applicable requirements are met, these increases are allowed under air quality laws, rules, and regulations.

Facility information

This is a kraft pulp and paper mill and liquid packaging plant.

Permit information

Nippon Dynawave contacts

Company website
Facility phone: 360-425-2150
Location: 3401 Industrial Way, Longview, Wash.