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 ...

A Standard Test Method is a conclusive procedure that yields a test result. So as to achieve accurate and relevant test results, a standard test method is definite, unambiguous, and experimentally ...

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 ...

When first introduced to mechanical testing of composite materials, one can be confused, even overwhelmed, by the number of available test standards. One reason for this large variety of tests is the ...

Abrasion testing is a necessity for manufacturers who are interested in producing high-quality products with a long lifespan. With a multitude to different testing methods available, each with their ...

Compliance testing allows businesses to test and objectively assess their products and services to ensure they meet acceptable standards. It plays a key role in identifying vulnerabilities and defects ...