WHEN OSHA's revised Respiratory Protection Standard for General Industry, 29 CFR 1910.134, became effective on April 8, 1998, it provided employers with an all-inclusive reference source for fit ...

The FDA expanded the marketing indications of a line of diagnostic tests to include checks for Lyme disease—the first cleared by the agency to use a new parallel testing method. Developed by Zeus ...

A total knee replacement (TKR) may sound like a pretty drastic operation, but in fact it is an increasingly routine process providing relief from pain, improved leg function and improved quality of ...

Quantitative fit testing is the preferred testing method. The ambient aerosol condensation nuclei counting (CNC) method, using a Portacount® Plus instrument, has been selected as the quantitative fit ...

Tarone (1990, Biometrics 46, 515-522) proposed a multiple test procedure for discrete test statistics improving the usual Bonferroni procedure. However, Tarone's procedure is not monotone depending on ...