Domtar/Kaiser Gypsum Inc., 801 Minaker Drive, Antioch, California
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EPA
Region
Location of facility Type of facility Amount
of ore
received
(in tons)
Did
EPA
visit
the
site?
Were
samples
taken?
Results of
evaluation
9 801 Minaker Drive, Antioch, California Gypsum board manufacturer 5,706 Yes-April 13, 2000 No According to an EPA database compiled from W.R. Grace shipping invoices, 5,706 tons of vermiculite ore from the Libby mine were shipped to this site between January 1967 and June 1984. EPA visually inspected this site and found no evidence of contamination. Land use in the area was industrial, residential, and recreational. EPA determined no further action was needed.

GAO-09-6R