Improved respirator fit-test methods and apparatus featuring an automated, respirator wearer-controlled, air-leak measurement system. For fit testing of a respirator positioned on a test subject's face and connected to a controlled negative pressure testing apparatus, the test subject simply holds his...
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To ensure a proper fit, a series of respirator-selection and fit-testing protocols are required. Per OSHA, “The test subject shall be allowed to pick the most acceptable respirator from a sufficient number of respirator models and sizes so that the respirator is acceptable to, and correctly ...
Quantitative fit testing (QNFT) first came on the scene in mid-1980s. ThePortaCount Respirator Fit Testerwas a pioneering product for quantitative respirator fit testing. Developed by TSI, the PortaCount features a sampling device installed on the respirator allowing the probe to sample air from i...
FitPlus v3 software has all the features you need to make accurate fit testing easy, automated and organized. The updated software prompts the respirator wearer through the required exercise protocol, records the results in a database, prints reports and more! Features and Benefits + Print fit ...
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FreePatentsOnline Google Patents 相似文献 参考文献 引证文献Physiologic effects and measurement of carbon dioxide and oxygen levels during qualitative respirator fit testing In the United States, two commonly used qualitative respirator fit test methods require the use of a test hood to be placed over ...
Fit testing must be performed before an employee first starts wearing a respirator in the work environment or whenever a different tight-fitting facepiece is used, and at least annually thereafter. Respirator use All respirators used must be certified by the National Institute for Occupational Safety...
Objective: We studied hospital costs associated with healthcare worker (HCW) respiratory protection and respirator fit-testing programs recommended by the ... Scott,E Kellerman,Jerome,... - 《Infection Control & Hospital Epidemiology》 被引量: 25发表: 1998年 Pediatric Home Care: Results of a Nat...
Taste Threshold Screening.The Bitrex taste threshold screening, performed without wearing a respirator, is intended to determine whether the individual being tested can detect the taste of Bitrex. During threshold screening as well as during fit testing, subjects shall wear an enclosure about the head...