 |
Site Background
Dearborn, MI
Zonolite Company/W.R. Grace
This site is located at 14300 Henn Street, Wayne County, Dearborn, Michigan.
While the actual years of operations for the Phase 1 sites vary overall, we do know that the Libby, Montana mine operated from the 1920s until 1990. These Phase 1 sites may have received vermiculite from Libby at any time during these years. All Phase 1 sites ceased processing of the vermiculite by in the early 1990’s. This site ceased operations in 1990.
This page last updated on December 08, 2008
Agency for Toxic Substances and Disease Registry, 1825 Century Blvd, Atlanta, GA 30345
Contact CDC: 800-232-4636 / TTY: 888-232-6348
