WebSep 26, 1988 · Animal evidence for carcinogenicity via ingestion is limited (male rats fed intermediate-range chrysotile fibers; i.e., >10 um length, developed benign polyps), and epidemiologic data in this regard are inadequate. This may be a synopsis of the full weight-of-evidence narrative. WebSep 26, 1988 · Integrated Risk Information System (IRIS) U.S. Environmental Protection Agency Chemical Assessment Summary National Center for Environmental Assessment 1 Asbestos; CASRN 1332-21-4 ... chrysotile asbestos (6081E+9 f/g) showed no significant increase in tumor incidence. Ward et al. (1980) administered 10 mg UICC amosite …
Global Asbestos Awareness Week April 1-7 2024
WebAsbestos has been used in products, such as insulation for pipes (steam lines for example), floor tiles, building materials, and in vehicle brakes and clutches. Asbestos includes the mineral fibers chrysotile, amosite, crocidolite, tremolite, anthophyllite, actinolite and any of these materials that have been chemically treated or altered. WebDec 8, 2024 · In the December 2024 final risk evaluation for asbestos, part 1: chrysotile asbestos, EPA reviewed the exposures and hazards of chrysotile asbestos uses and made the following final risk findings. Part 1 of the final risk evaluation includes input from the public and peer reviewers as required by TSCA and associated regulations. In … tennis shoes with no shoe strings
Testing of smoke from Richmond warehouse fire …
WebU.S. Environmental Protection Agency; Year Published: 1983: Report Number: EPA-68-03-2717; EPA-600/4-83-041: Stock Number: PB83-262915: ... Alignment of asbestos … WebU.S. Environmental Protection Agency ; National Technical Information Service [distributor], Year Published: 1983: Report Number: EPA 600/4-83-043; EPA-68-03-2717: Stock Number: PB83-260471: OCLC Number: 29516766: Subjects: Asbestos ... on a recorded and calibrated selected area electron diffraction pattern is specified for precise ... WebJan 4, 2024 · The U.S. Environmental Protection Agency (EPA) released on December 30, 2024, the final risk evaluation for asbestos, part 1: chrysotile asbestos. Of the six use categories evaluated (chlor-alkali ... trial of void for men