U.S. Gypsum Company, 9306 Sorensen Avenue, Santa Fe Springs, 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 9306 Sorensen Avenue, Santa Fe Springs, California Gypsum board manufacturer 3,650 Yes-April 20, 2000 No According to an EPA database compiled from W.R. Grace shipping invoices, 3,650 tons of vermiculite ore from the Libby mine were shipped to this site between April 1968 and June 1976. EPA visually inspected this site, found no evidence of contamination, and determined no further action was needed.

GAO-09-6R