A nuclear stress test helps to assess your risk of a severe cardiac event. Depending on your health, a doctor may ask you to take a treadmill test or a chemical test, which uses medications to ...

The Izod impact test fixes one end of a notched specimen in a cantilever position by means of a vice. A striker on the arm of a pendulum or similar energy carrier then strikes the specimen. The energy ...

Chiron Corp. said yesterday it has received U.S. Food & Drug Administration approval to commercialize a new and more sensitive test to screen donated blood for HIV and hepatitis C. Chiron shares rose ...

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 ...

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 ...

Bioburden testing serves a variety of purposes, and the relevance of the data can range from relatively insignificant to extremely critical. Bioburden tests can be used for general tracking or ...

The Hughson-Westlake method is based on the principle that short-tone burst are better heard against a silent background than a continuous tone separated by a short interval when the level is changing ...