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Zonolite Company / W. R. Grace & Co. plant at Dearborn, Michigan

Dearborn, Michigan, appears in W. R. Grace & Co.'s sworn answers in a 1987 lawsuit as a plant for two of its fireproofing products, Zonolite Mono-Kote MK-1 and Zonolite Mono-Kote MK-3; Grace gave no dates for Dearborn and said each product "was manufactured at some or all of the plants listed."1

The same answers say MK-1 was "produced by Zonolite Company from 1959," and MK-3 by Zonolite Company from 1959 to 1963 and by Grace from 1963 until 1973; they do not say which company ran the Dearborn plant.1 Grace described both as light beige cementitious fireproofing, MK-1 with "approximately 11.9% short fiber Chrysotile asbestos" and MK-3 with approximately 13.23 percent in one version and 12.18 in another; those figures describe the products in general, not Dearborn's output in particular.1

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Location

Dearborn, Michigan, 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) (no dates listed). "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 Dearborn, Michigan.” AsbestosClaims.Law Library. https://asbestosclaims.law/library/plants/dearborn-mi-w-r-grace.

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