Dupont Tychem Vapor Manual del usuario - Página 14

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User Manual for DuPont

Glossary

Air-Inflation Test – A procedure in which a Level A garment

is tested for gas-tight integrity. The test involves blocking off

the exhaust valves, inflating the suit to a specified internal

pressure and monitoring the drop in pressure over a set

time period. The most common method used in the United

States, ASTM F1052, allows a 20% pressure drop after 4

minutes. The air-inflation test is used to determine if a Level

A garment has a leak.

APR (Air Purifying Respirator) – A respirator with an air-

purifying filter, cartridge, or canister that removes specific

air contaminants by passing ambient air through the air-

purifying element (per

www.osha.gov

Also see PAPR or Powered Air-Purifying Respirator.

ASTM – Originally known as the American Society for

Testing and Materials, ASTM International is one of the

largest voluntary standards development organizations

in the world. ASTM Committee F23 on Protective Clothing

and Equipment is responsible for many of the test methods

used to evaluate the performance of protective clothing

for protection against chemical, biological, physical, and

radioactive hazards.

CBRN – (Chemical, Biological, Radiological and Nuclear)

– Abbreviation for the hazards represented by terrorism

weapons. Also seen as CBRNe where the "e" indicates

explosives.

Certification – The process in which products are certified

by an independent company as meeting the requirements

set forth in specific performance standards. These

performance standards are published by standards setting

bodies such as ASTM, CEN, ISO, and NFPA. For 3rd party

certification, the certification company is hired by the

manufacturer to independently test the products and verify

compliance with all requirements of the standard(s).

Tychem

Encapsulated Level A and Encapsulated Level B Suits

™

section 1910.134(b)).

CFR (Code of Federal Regulations) – The published

regulations of the executive departments and agencies of

the United States Federal Government. The notations "29

CFR 1910.1200" refer to a specific regulations (.1200 – Blood-

borne Pathogen) for a specific section (1910 – General

Industry) of a specific federal agency (29- Occupational

Safety and Health) of the United States Code of Federal

Regulations.

Cryogenic Chemical – A chemical having a boiling point

below -130 °F (-90 °C) at atmospheric pressure (per NFPA

1991). Also see Liquefied Gas.

Doffing – The act of removing a garment from one's body.

Donning – The act of putting a garment on one's body.

Encapsulating Garment – For chemical protective garments,

a garment that provides protection to the torso, head,

arms, legs, and completely covers the wearer's breathing

apparatus.

Exhaust Valve – For chemical protective garments, a device

that releases air from inside an encapsulating garment

while preventing inward leakage of external vapors, liquids

or particles into the garment.

Exhaust Valve Diaphragm – A molded elastomeric disk

which is a key component of an exhaust valve. The

diaphragm blocks the flow of contaminates into the

garment, but when actuated allows excess pressure inside

the suit to vent to the outside environment.

Heat Stress – A serious human health condition caused by

increased core body temperature. Heat stress can lead to

permanent injury and death.

Hot Zone – Term used to describe the area around a

hazardous material release that requires the highest level of

chemical protection.

Inflation Test – See air-inflation test