Record Display for the EPA National Library Catalog


Main Title Health assessment document for vermiculite.
CORP Author Dynamac Corp., Rockville, MD.;Environmental Protection Agency, Research Triangle Park, NC. Environmental Criteria and Assessment Office.
Publisher U.S. Environmental Protection Agency,
Year Published 1991
Report Number EPA/600-8-92-037; EPA/600-8-91-037; EPA-68-03-4140; PB92166834
Stock Number PB92-166834
OCLC Number 25471774
Subjects Vermiculite
Additional Subjects Toxicology ; Vermiculite ; Air pollution ; Public health ; Clay minerals ; Insulation ; Emission factors ; Industrial production ; Environmental transport ; Humans ; Exposure ; Animals ; Inhalation ; Carcinogens ; Workers ; Mining
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EHAD  EPA 600-8-91-037 Region 1 Library/Boston,MA 05/26/2015
EJBD ARCHIVE EPA 600-8-91-037 Headquarters Library/Washington,DC 08/10/2015
EJBD  EPA 600-8-91-037 Headquarters Library/Washington,DC 05/16/2016
EKBD  EPA/600/8-91-037 c. 1 Research Triangle Park Library/RTP, NC 07/16/2019
EKBD  EPA/600/8-91-037 c. 2 Research Triangle Park Library/RTP, NC 07/16/2019
ELAD  EPA 600-8-91-037 Region 5 Library/Chicago,IL 06/03/2010
EMBD  EPA/600/8-91/037 NRMRL/GWERD Library/Ada,OK 05/01/1992
ERAD  EPA 600/8-91-037 2 copies Region 9 Library/San Francisco,CA 03/25/2016
ESAD  EPA 600-8-91-037 Region 10 Library/Seattle,WA 04/26/2017
NTIS  PB92-166834 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 1 volume (various pagings)
Vermiculite is a nonfibrous silicate mineral with multiple consumer uses that has been shown to contain various concentrations of asbestiform fibers. Vermiculite is a micaceous hydrate of magnesium-iron-aluminum silicates with the ability to exfoliate or expand up to 20 times its original size at high temperatures. It has high-cation-exchange capacity and a very low thermal conductivity. Most of the vermiculite mined and beneficiated is exfoliated and used in construction aggregates, insulation, and agricultural applications. Exposure to vermiculite occurs mainly via the inhalation route. Nonoccupational exposure to vermiculite is high. In 1979, approximately 13 million persons were estimated to have been exposed to vermiculite. The carcinogenicity classification for vermiculite is D. However, the weight of evidence for asbestos-contaminated vermiculite is sufficient to show a causal relationship for increased lung cancer in miners and millers.
"Office of Health and Environmental Assessment." "Office of Research and Development." "September 1991." "EPA/600-8-92-037." "EPA/600-8-91-037." Includes bibliographical references.