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CSA Z94.2 - Hearing protection devices - Performance, selection, care, and use
January 1, 2014 - CSA

Clauses 4 to 7 cover performance, acoustical testing, and packaging requirements for personal hearing protection devices (HPDs). Clauses 8 to 12 cover the selection, care, and use of HPDs, which will contribute to an effective hearing loss prevention program. The following...

DEF STAN 00-27 - The Measurement of Impulse Noise from Military Weapons, Explosives and Pyrotechnics; and Selection of Hearing Protection
May 27, 2015 - MODUK

The purpose of this Standard is to provide guidance on the measurement of impulse noise from MWEP and selection of hearing protection to demonstrate compliance with the requirements of CNAWR/CNAW(NI)R/MSFV(CNAW)R. This Standard may be used by a MOD Tasking Authority in contracts and...

ASSP FALL PROTECTION - Z359 FALL PROTECTION CODE
January 1, 2017 - ASSP
A description is not available for this item.
A-A-53127 - PLUGS, EAR (HEARING PROTECTION, CYLINDRICAL)
NPFC
A description is not available for this item.
Noise in the Plastics Processing Industry
October 1, 2018 - CRC

This practical guide for managers and engineers in the plastics industry shows how to reduce high noise levels which often occur in the workplace and reduce the risk of noise-induced hearing damage to employees. Practical methods for reducing noise from industrial machinery are described and...

A-A-54891 - PLUG, EAR, HEARING PROTECTION, TRIPLE FLANGE
July 16, 1993 - NPFC

The General Services Administration has authorized the use of this Commercial Item Description as a replacement for Military Specification MIL-P-36714B, which is cancelled. This Commercial Item Description covers the requirements for triple flange ear plugs suitable for attenuating high intensity...

MIL-P-37055 - PLUG, EAR, HEARING PROTECTION, CYLINDRICAL, SILICONE BASE
NPFC
A description is not available for this item.
ANSI/ASA S12.71 - American National Standard Performance Criteria for Systems that Estimate the Attenuation of Passive Hearing Protectors for Individual Users
May 7, 2018 - ASA

This standard specifies methods of characterizing the performance of systems that estimate the real-ear attenuation provided by hearing protection devices (HPDs) on individual wearers. These systems are designated by this standard as field attenuation estimation systems (FAESs). The...

Engineering Noise Control
November 14, 2017 - CRC

This classic and authoritative student textbook contains information that is not over simplified and can be used to solve the real world problems encountered by noise and vibration consultants as well as the more straightforward ones handled by engineers and occupational hygienists in industry. The...

ANSI/ASA S12.6 - American National Standard Methods for Measuring the Real-Ear Attenuation of Hearing Protectors
June 16, 2016 - ASA

This standard specifies laboratory-based subjective-method for measuring, analyzing, and reporting the passive noise-reducing capacity of hearing protection devices. The methods consist of psychophysical tests conducted on groups of human subjects to determine real-ear attenuation at...

ITU-T F.930 - Multimedia telecommunication relay services
March 1, 2018 - ITU-T

This Recommendation introduces telecommunications relay services (simply referred to as relay services). It also defines the reference model, requirements and functionality that facilitate, via an assistive intermediary (i.e., communication assistant, sign language interpreter or lipspeaker),...

MIL-P-37564 - PLUGS, EAR, HEARING PROTECTION, UNIVERSAL SIZE, WITH HEADBAND
NPFC
A description is not available for this item.
A-A-54878 - PLUG, EAR, HEARING PROTECTION, UNIVERSAL SIZE, VINYL FOAM
NPFC
A description is not available for this item.
A-A-54890 - PLUG, EAR, HEARING PROTECTION, UNIVERSAL SIZE, WITH HEADBAND
NPFC
A description is not available for this item.
ANSI/ASA S12.42 - American National Standard Methods for the Measurement of Insertion Loss of Hearing Protection Devices in Continuous or Impulsive Noise Using Microphone-in-Real-Ear or Acoustic Test Fixture Procedures
January 1, 2010 - ASA

This standard provides methods for the measurement of the insertion loss of hearing protection devices in specified continuous and impulsive noise environments. The microphone-in-real-ear (MIRE) method utilizes human test subjects and may be used for hearing protectors that...

CSA Z107.56 - Measurement of noise exposure
January 1, 2018 - CSA

This Standard describes methods for determining the occupational noise exposure level of workers (Lex,T) using sampling techniques. Lex,T represents the long-term noise exposure of workers and is calculated from measurements of Leq,t (3 dB exchange rate) in the workplace. Notes: 1) The methods in...

IEC TS 60318-7 - Electroacoustics – Simulators of human head and ear – Part 7: Head and torso simulator for the measurement of air-conduction hearing aids
April 1, 2017 - IEC

This document, which is a Technical Specification, describes a head and torso simulator, or manikin, intended for the measurement of air-conduction hearing aids in the frequency range from 100 Hz to 16 000 Hz. The manikin described in this document is intended for airborne acoustic...

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