The comment period on the draft state waste discharge water quality permit for Specialty Minerals in Longview ended March 23, 2020.
- 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.
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
Facility phone: 360-577-0912
Location: 3515 Industrial Way, Longview, Wash.