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Cosmo Specialty Fibers

We regulate the air, water, and hazardous waste activities at the Cosmo Specialty Fibers pulp and paper mill in Cosmopolis.

Facility information

This is a kraft pulp and paper mill.

  • With around 200 employees, the mill uses virgin hemlock to make about 550 tons of dissolving pulp (acetate, viscose, and ether grades) each day.
  • It treats its wastewater and sends it to Grays Harbor and the Chehalis River.

Permit information

Cosmo Specialty Fibers contacts

Company website
Facility phone: 360-500-4600
Location: 1701 1st St., Cosmopolis, Wash.