Negative pressure respirator definition

Negative pressure respirator or "tight fitting" means a respirator in which the air pressure inside the facepiece is negative during inhalation with respect to the ambient air pressure outside the respirator.
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Negative pressure respirator means a tight-fitting respirator in which the air pressure
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Negative pressure respirator. (tight-fitting) means a respirator in which the air pressure inside the face- piece is negative during inhalation with respect to the ambi- ent air pressure outside the respirator.
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Examples of Negative pressure respirator in a sentence

  • Negative pressure respirator (tight fitting) means a respirator in which the air pressure inside the facepiece is negative during inhalation with respect to the ambient air pressure outside the respirator.

  • On Wednesday evening, locals fled their homes in fear of the fires spreading, and many expressed that they, “feared for their future in Sherwood”.

  • Negative pressure respirator (tight fitting): a respirator in which the air pressure inside the facepiece is negative during inhalation with respect to the ambient air pressure outside the respirator.

  • Negative pressure respirator (tight fitting): A respirator in which the air pressure inside the face piece is negative during inhalation with respect to the ambient air pressure outside the respirator.

  • Negative pressure respirator (tight fitting) is a respirator which uses a tight face-to-facepiece seal to create negative pressure inside the mask during inhalation with respect to the ambient air.Oxygen deficient atmosphere is an atmosphere with oxygen content below 19.5% by volume.

  • Natural radioactivity" means radioactivity of naturally occurring nuclides.(86) "Negative pressure respirator" means a tight-fitting respirator in which the air pressure inside the facepiece is negative during inhalation with respect to the ambient air pressure outside of the respirator.

  • Negative pressure respirator (tight fitting) means a respirator in which the air pressure inside the face piece is negative during inhalation with respect to the ambient air pressure outside the respirator.

  • Maximum use concentration (MUC) [Reserved] Negative pressure respirator (tight fitting) means a respirator in which the air pressure inside the facepiece is negative during inhalation with respect to the ambient air pressure outside the respirator.

  • Negative pressure respirator" means a tight-fitting respirator in which the air pressure inside the facepiece is negative during inhalation with respect to the ambient air pressure outside of the respirator.


More Definitions of Negative pressure respirator

Negative pressure respirator. (tight-fitting) means a res- pirator in which the air pressure inside the facepiece is negative
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Negative pressure respirator or "tight fitting" means a respirator in which the air pressure inside the facepiece is
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Negative pressure respirator means a tight-
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Negative pressure respirator means any tight-fit- ting respirator in which the air pressure inside the facepiece is less than the air pressure outside the respirator during inhala- tion.
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Negative pressure respirator or “tight-fitting respirator” means a respirator in which the air pressure inside the facepiece is lower than the ambient air pressure outside the respirator during inhalation.
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Related to Negative pressure respirator

  • Positive pressure respirator means a respirator in which the pressure inside the respiratory inlet covering exceeds the ambient air pressure outside the respirator.

  • Disposable respirator means a respirator for which maintenance is not intended and that is designed to be discarded after excessive breathing resistance, sorbent exhaustion, physical damage, or end-of-service-life renders it unsuitable for use. Examples of this type of respirator are a disposable half-mask respirator or a disposable escape-only self-contained breathing apparatus (SCBA).

  • Air-purifying respirator means a respirator with an air-purifying filter, cartridge, or canister that removes specific air contaminants by passing ambient air through the air-purifying element.

  • Pressure means relative pressure versus atmospheric pressure, unless otherwise stated.

  • Pressure demand respirator means a positive pressure atmosphere-supplying respirator that admits breathing air to the facepiece when the positive pressure is reduced inside the facepiece by inhalation.

  • Atmosphere-supplying respirator means a respirator that supplies the respirator user with breathing air from a source independent of the ambient atmosphere, and includes supplied-air respirators (SARs) and self-contained breathing apparatus (SCBA) units.

  • Sewage sludge weight means the weight of sewage sludge, in dry U.S. tons, including admixtures such as liming materials or bulking agents. Monitoring frequencies for sewage sludge parameters are based on the reported sludge weight generated in a calendar year (use the most recent calendar year data when the NPDES permit is up for renewal).