Sound Abbreviations

Sound Abbreviations – Memtech Acoustical

U.S. Department of Health and Human Services National Institute for Occupational Safety and Health

A list of Sound Abbreviations-

AAO-HNS – American Academy of Otolaryngology-Head and Neck Surgery

AIHA – American Industrial Hygiene Association

ANSI – American National Standards Institute

AOMA – American Occupational Medical Association

ASHA – American Speech-Language-Hearing Association

CAOHC – Council for Accreditation in Occupational Hearing Conservation

CFR – Code of Federal Regulations

CHABA – Committee on Hearing, Bioacoustics, and Biomechanics

CI – confidence interval

dB – decibels

dB SPL – decibel(s), sound pressure level

dBA – decibel(s), A-weighted

EPA – U.S. Environmental Protection Agency

Fed. Reg. – Federal Register

HLPP – hearing loss prevention program

hr – hour(s)

HTL – hearing threshold level

Hz – hertz

ISO – International Standards Organization

kHz – kilohertz

LAeq 8 hr – equivalent continuous sound for 8 hr

min – minutes

ms – millisecond(s)

MSHA – Mine Safety and Health Administration

NHAN – National Health and Nutrition Examination Survey

NHCA – National Hearing Conservation Association

NIHL – noise-induced hearing loss

NIOSH – National Institute for Occupational Safety and Health

NOES – National Occupational Exposure Survey

NOHSM – National Occupational Health Survey of Mining

NRR – noise reduction rating

ONHS – Occupational Noise and Hearing Survey

OSHA – Occupational Safety and Health Administration

PEL – permissible exposure limit

REAT – real ear attenuation at threshold

REL – recommended exposure limit

s – second(s)

SIC – standard industrial classification

SPL – sound pressure level

STS – standard threshold shift

T-BEAM – task-based exposure assessment model

TTS2 – temporary threshold shift 2 min after a period of noise exposure

TWA – time-weighted average