Cosmo Specialty Fibers
We regulate the air, water, and hazardous waste activities at the Cosmo Specialty Fibers pulp mill in Cosmopolis.
Facility information
This is a sulfite pulp mill.
- With around 200 employees, the mill makes 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
- Air Operating Permit
- Support document (including the Response to Comments)
- Wastewater permit
- Support document (including the Response to Comments)
- Support document for 2018 update
- Support document for 2020 update (including the Response to Comments))
Cosmo Specialty Fibers contacts
Company website
Facility phone: 360-500-4600
Location: 1701 1st Street, Cosmopolis
Related links
Contact information
Ha Tran
Environmental Engineer
ha.tran@ecy.wa.gov
360-790-6276