References
- National Institute for Occupational Safety and Health . 1984 . “ Method 7400, Fibers. ” . In NIOSH Manual of Analytical Methods (Rev. 3; May 15, 1989), 3rd ed., Vol. 1 Cincinnati, OH : NIOSH . DHHS (NIOSH) Pub. No. 84–100.
- National Institute for Occupational Safety and Health . 1984 . “ Method 7402, Asbestos Fibers. ” . In NIOSH Manual of Analytical Methods (Rev. 1; May 15, 1989), 3rd ed., Vol. 1 Cincinnati, OH : NIOSH . DHHS (NIOSH) Pub. No. 84–100.
- National Institute for Occupational Safety and Health . 1984 . “ Method 9002, Asbestos (bulk). ” . In NIOSH Manual of Analytical Methods, 3rd ed., Vol. 1 Cincinnati, OH : NIOSH . DHHS (NIOSH) Pub. No. 84–100.