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Specialty Minerals, Longview

We regulate the water and hazardous waste activities at the Specialty Minerals chemical plant in Longview.

Facility information

  • This facility makes precipitated calcium carbonate by reacting carbon dioxide with slaked lime.
  • Wastewater from the process is sent to the Nippon Dynawave pulp and paper mill for treatment. The mill then sends it to the Columbia River.

Permit information

The Southwest Clean Air Agency regulates the plant's air quality activities. Visit the Southwest Clean Air Agency website or call 360-574-3058 for more information.

Specialty Minerals, Longview, contacts

Company website
Facility phone: 360-577-0912
Location: 3515 Industrial Way, Longview, Wash.