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Report on Cancer Risks Associated with the Ingestion of Asbestos.

Authors
NIOSH
Source
NIOSH 1986 Jan:47 pages
Link
NIOSHTIC No.
00159077
Abstract
Cancer risks associated with ingestion of asbestos (1332214) are discussed. Asbestos contamination of drinking water is considered. At least 66.5 percent of the United States water systems are capable of eroding asbestos cement pipes. The ability of water to leach asbestos from asbestos cement pipes can be modified by coatings applied to the inside pipe surface. Asbestos contamination in foods or pharmaceuticals is discussed. Asbestos fibers at concentrations of 1.1 to 172.7 million fibers per liter have been found in beverages. To date, studies supported by the Food and Drug Administration (FDA) have provided no evidence that ingesting asbestos results in an increased cancer risk. The FDA has determined that no prohibition on using asbestos filters in processing food, beverages, and non parenteral drugs is needed. Toxicological studies on asbestos ingestion and carcinogenicity are reviewed. Epidemiological evaluations of the association between drinking water supplies containing asbestos and cancer mortality are discussed. The authors conclude that the available information is insufficient for assessing the risk of cancer associated with ingesting asbestos. If an epidemiologic association exists, it is probably weak relative to background cancer rates. Epidemiologic research methods are limited in their ability to detect small increases in risk.
Keywords
NIOSH-Author; Inhalants; Pulmonary-system; Respiratory-irritants; Toxic-effects; Biological-effects; Epidemiology; Dust-exposure; Lung-function; Asbestos-dust;
CAS No.
1332-21-4;
Publication Date
19860101
Fiscal Year
1986
NTIS Accession No.
PB90-130527
NTIS Price
A04
Priority Area
Asthma and Chronic Obstructive Pulmonary Disease; Disease and Injury; Pulmonary-system;
Source Name
NIOSH, Centers for Disease Control, Public Health Service, U.S. Department of Health and Human Services, Cincinnati, Ohio, 47 pages, 70 references
State
OH;
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