Public Health Risk Assessment, EPA Superfund Cleanup

(See PHRA excerpts below) As part of the USEPA (US Environmental Protection Agency) agency Superfund Site process, WR Grace was required to conduct a Public Health Risk Assessment (PHRA) for the site. This quantitative risk assessment, conducted under EPA guidance, was undertaken to help determine the future level of cleanup required at the site. It… Continue reading →

WR Grace Superfund Site in Acton, Public Meeting, June 12, 2003 (Meeting Summary by ACES)

*For Updates/Public Meeting Notifications join the EPA site mailing list, Contact: Sarah White, EPA Community Involvement Coordinator (617-918-1026, White.Sarah@epamail.epa.gov)* It has been almost 25 years since contamination from the WR Grace Industrial Site was found in two Acton public drinking water wells, and 20 years since this site was included on the federal “National Priority… Continue reading →

The WR Grace Superfund Site, Acton, MA – A Chronology of the Site (1951-2010)

(Information sources include: Timeline Poster by GeoTrans, Inc.; Initial Site Characterization Report, OU-3, August 1998; Draft Phase II Remedial Investigation Report, August 2002; EPA Third Five Year Review Report, September 2009; and other WR Grace Site documents.) 1951 – First battery separator plant at site, built by Dewey & Almy Chemical Company. 1954 – WR… Continue reading →