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Zonolite Company / W. R. Grace & Co. plant at Portland, Oregon

Portland, Oregon, is one of the plants where Zonolite Mono-Kote fireproofing was made, according to sworn answers W. R. Grace & Co. gave in a 1987 lawsuit.1 Grace listed Portland for two versions: Mono-Kote MK-1, for which "Approximate dates of production are not known," and Mono-Kote MK-3, dated "1963-1973" at Portland.1 For both, Grace said only that "The product was manufactured at some or all of the plants listed below."1 The answers say Zonolite Company produced MK-1 from 1959 and MK-3 from 1959 to 1963, and Grace produced MK-3 from 1963 until 1973, but not which company ran the Portland plant.1

Grace described MK-1 as a "Cementitious light beige fireproofing material" with "approximately 11.9% short fiber Chrysotile asbestos," and MK-3 as a "Light beige cementitious material" for fireproofing, with "approximately 13.23 percent 7M" and "12.18 7R short fiber chrysotile asbestos by weight."1 Both were packed in "multi-walled, pasted-valve bags" of kraft paper.1 These figures describe the products in general, not Portland's output in particular.1

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Location

Portland, Oregon, the city named in the documents. The dot marks the city, not the plant's address.

Asbestos products made here

The products documents say were made at this plant, with the years a document gives for the product here. Each product's page has what the documents say about it, including its asbestos content.

What each document says

Every statement about this plant in the documents, in each document's own words.

W. R. Grace's Answers to Plaintiffs' Interrogatories in Williams v. National Gypsum (1987)

  • Asbestos products made: “Zonolite Mono-Kote (MK-1) (dates not known); Zonolite Mono-Kote (MK-3) 1963-1973. "The product was manufactured at some or all of the plants listed below."” (W.R. Grace & Co.), p. 431

See also

References

  1. W. R. Grace's Answers to Plaintiffs' Interrogatories in Williams v. National Gypsum (October 15, 1987), pp. 43–45.

Cite this page

“Zonolite Company / W. R. Grace & Co. plant at Portland, Oregon.” AsbestosClaims.Law Library. https://asbestosclaims.law/library/plants/portland-or-w-r-grace.

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