The term asbestiform
referred to silicate minerals arranged in poly-filamentous bundles composed of extremely flexible fibers with relatively small diameters and long lengths .
Data on the geographic distributions of cancers may suggest a natural component of soil (as in the case of some asbestiform
minerals that cause mesothelioma) or the emissions from a factory.
(5) Although chrysotile is a reasonably well-defined mineral (see photo 2), the other five amphibole asbestiform
fibers are difficult to identify, as their physical and chemical properties are so vastly different.
Of particular interest to this study is a hydrothermally derived assemblage composed of spessartine, rhodonite and asbestiform
Mn-rich cummingtonite (Pires, 1977).
Fillers," in Additives for Plastics, Vol.
(30) "[P]ossibly 16 [3.6%], but more realistically 11 [2.5%], of the 439 cases evaluated may have a condition consistent with exposure to an asbestiform
mineral." (31) The pronounced disparity between the results of the follow-up study and the diagnoses made in a mass screening of the same people underscores the gross unreliability of such screenings.
sections on asbestiform
minerals; specific pages vary in different
By a vote of 7 to 3, the board voted against the listing of tale without asbestiform
fibers (cosmetic grade), according to the Cosmetic, Toiletry and Fragrance Association.
The essence of the company's case against regulation, and that of its industry allies, lies in the same semantic argument adopted by the Consumer Product Safety Commission regarding play sand: respirable AT&A fibers can come from two types of minerals, asbestiform
For regulatory purposes they are defined as the asbestiform
varieties of chrysotile (serpentine), crocidolite (riebeckite), Amosite (cummingtonite-grunerite), anthophyllite, tremolite and actinolite.
Committee on Nonoccupational Health Risks of Asbestiform
Fibers, National Research Council: Asbestiform
Fibers: Nonoccupational Health Risks.
Asbestos-related disease associated with exposure to asbestiform