ACOUSTICS INDIA PRIVATE LTD - NOISE POLLUTION CONTROL DIVISION

ALLOWABLE INDUSTRIAL NOISE LEVEL

SOUND LEVEL AS PER
OSHA (dbA)

TIME PERMITTED
(HOURS)

SOUND LEVEL AS PER
ISO (dbA)

Measurement of noise emitted by accelerating road vehicles -- Engineering method -- Part 1: M and N categories.

Measurement of noise emitted by accelerating road vehicles -- Engineering method -- Part 2: L category.

Acoustics -- Test code for the measurement of airborne noise emitted by rotating electrical machines.

Acoustics -- Description, measurement and assessment of environmental noise -- Part 1: Basic quantities and assessment procedures.

Acoustics -- Description, measurement and assessment of environmental noise -- Part 2: Determination of environmental noise levels.

Acoustics -- Determination of occupational noise exposure and estimation of noiseinduced hearing impairment.

Acoustics -- Measurement of airborne sound emitted by vessels on inland waterways and harbours.

Acoustics -- Measurement of noise on board vessels.

Railway applications -- Acoustics -- Measurement of noise emitted by railbound vehicles.

Railway applications -- Acoustics -- Measurement of noise inside railbound vehicles.

Acoustics -- Determination of sound power levels of noise sources -- Guidelines for the use of basic standards.

Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Precision methods for reverberation test rooms.

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Precision methods for reverberation rooms.

Acoustics -- Determination of sound power levels of noise sources -- Engineering methods for small, movable sources in reverberant fields -- Part 1: Comparison method for hard-walled test rooms.

Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Engineering methods for small movable sources in reverberant fields -- Part 1: Comparison method for a hard-walled test room.

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Engineering methods for small, movable sources in reverberant fields -- Part 2: Methods for special reverberation test rooms.

Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Engineering methods for an essentially free field over a reflecting plane.

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Engineering method in an essentially free field over a reflecting plane.

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Precision methods for anechoic and hemi-anechoic rooms.

Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Precision methods for anechoic test rooms and hemi-anechoic test rooms.

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Survey method using an enveloping measurement surface over a reflecting plane.

Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Survey method using an enveloping measurement surface over a reflecting plane.

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Comparison method in situ.

Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Engineering/survey methods for use in situ in a reverberant environment.

Acoustics -- Procedure for describing aircraft noise heard on the ground.

Acoustics -- Hearing protectors -- Part 1: Subjective method for the measurement of sound attenuation.

Acoustics -- Hearing protectors -- Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn.

Acoustics -- Hearing protectors -- Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture.

Acoustics -- Hearing protectors -- Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs.

Acoustics -- Hearing protectors -- Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects.

Acoustics -- The construction and calibration of speech intelligibility tests.

Acoustics -- Declaration and verification of noise emission values of machinery and equipment.

Acoustics -- Measurement of airborne noise emitted by construction equipment intended for outdoor use -- Method for determining compliance with noise limits.

Acoustics -- Measurement of noise inside motor vehicles.

Acoustics -- Measurement of sound pressure levels in the interior of aircraft during flight.

Acoustics -- Measurements of sound pressure level emitted by stationary road vehicles.

Acoustics -- Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room.

Acoustics -- Determination of sound power radiated into a duct by fans and other airmoving devices -- In-duct method.

Acoustics -- Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels.

Acoustics -- Frequency-weighting characteristic for infrasound measurements.

Acoustics -- Laboratory measurement procedures for ducted silencers and airterminal units -- Insertion loss, flow noise and total pressure loss.

Acoustics -- Statistical methods for determining and verifying stated noise emission values of machinery and equipment -- Part 1: General considerations and definitions.

Acoustics -- Statistical methods for determining and verifying stated noise emission values of machinery and equipment -- Part 2: Methods for stated values for individual machines.

Acoustics -- Statistical methods for determining and verifying stated noise emission values of machinery and equipment -- Part 3: Simple (transition) method for stated values for batches of machines.

Acoustics -- Statistical methods for determining and verifying stated noise emission values of machinery and equipment -- Part 4: Methods for stated values for batches of machines.

Acoustics -- Measurement of airborne noise emitted by information technology and telecommunications equipment.

Noise measurement specification for CD/DVD-ROM drives.

Acoustics -- Determination of airborne sound power levels emitted by machinery using vibration measurement -- Part 1: Survey method using a fixed radiation factor.

Acoustics -- Determination of airborne sound power levels emitted by machinery using vibration measurement -- Part 2: Engineering method including determination of the adequate radiation factor.

Acoustics -- Determination of sound power levels of multisource industrial plants for evaluation of sound pressure levels in the environment -- Engineering method.

Acoustics -- Measurement of high-frequency noise emitted by computer and business equipment.

Acoustics -- Declared noise emission values of computer and business equipment.

Acoustics -- Characterization of sources of structure-borne sound with respect to sound radiation from connected structures -- Measurement of velocity at the contact points of machinery when resiliently mounted.

Acoustics -- Determination of occupational noise exposure -- Engineering method.

Acoustics -- Attenuation of sound during propagation outdoors -- Part 1: Calculation of the absorption of sound by the atmosphere.

Acoustics -- Attenuation of sound during propagation outdoors -- Part 2: General method of calculation.

Acoustics -- Determination of sound power levels of noise sources using sound intensity -- Part 1: Measurement at discrete points.

Acoustics -- Determination of sound power levels of noise sources using sound intensity -- Part 2: Measurement by scanning.

Acoustics -- Determination of sound power levels of noise sources using sound intensity -- Part 3: Precision method for measurement by scanning.

Acoustics -- Measurement of noise emitted by two-wheeled mopeds in motion -- Engineering method.

Acoustics -- Method for the measurement of airborne noise emitted by small airmoving devices.

Acoustics -- Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices -- Part 1: Airborne noise measurement.

Acoustics -- Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices -- Part 2: Structure-borne vibration measurements.

Acoustics -- Methods for the description and physical measurement of single impulses or series of impulses.

Acoustics -- Specification of test tracks for measuring noise emitted by road vehicles and their tyres.

Acoustics -- Specification of test tracks for the purpose of measuring noise emitted by road vehicles.

Acoustics and vibration -- Laboratory measurement of vibro-acoustic transfer properties of resilient elements -- Part 1: Principles and guidelines.

Acoustics and vibration -- Laboratory measurement of vibro-acoustic transfer properties of resilient elements -- Part 2: Direct method for determination of the dynamic stiffness of resilient supports for translatory motion.

Acoustics and vibration -- Laboratory measurement of vibro-acoustic transfer properties of resilient elements -- Part 3: Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion.

Acoustics and vibration -- Laboratory measurement of vibro-acoustic transfer properties of resilient elements -- Part 4: Dynamic stiffness of elements other than resilient supports for translatory motion.

Acoustics and vibration -- Laboratory measurement of vibro-acoustic transfer properties of resilient elements -- Part 5: Driving point method for determination of the low-frequency transfer stiffness of resilient supports for translatory motion.

Acoustics -- In-situ determination of insertion loss of outdoor noise barriers of all types.

Acoustics -- Test code for the measurement of airborne noise emitted by power lawn mowers, lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden tractors with mowing attachments.

Acoustics -- Noise emitted by machinery and equipment -- Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions.

Acoustics -- Noise emitted by machinery and equipment -- Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections.

Acoustics -- Noise emitted by machinery and equipment -- Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections.

Acoustics -- Noise emitted by machinery and equipment -- Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level.

Acoustics -- Noise emitted by machinery and equipment -- Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections.

Acoustics -- Noise emitted by machinery and equipment -- Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity.

Acoustics -- Determination of sound insulation performances of enclosures -- Part 1: Measurements under laboratory conditions (for declaration purposes).

Acoustics -- Determination of sound insulation performances of enclosures -- Part 2: Measurements in situ (for acceptance and verification purposes).

Acoustics -- Recommended practice for the design of low-noise machinery and equipment -- Part 1: Planning.

Acoustics -- Recommended practice for the design of low-noise machinery and equipment -- Part 2: Introduction to the physics of low-noise design.

Acoustics -- Procedure for the comparison of noise-emission data for machinery and equipment.

Acoustics -- Recommended practice for the design of low-noise workplaces containing machinery -- Part 1: Noise control strategies.

Acoustics -- Recommended practice for the design of low-noise workplaces containing machinery -- Part 2: Noise control measures.

Acoustics -- Recommended practice for the design of low-noise workplaces containing machinery -- Part 3: Sound propagation and noise prediction in workrooms.

Acoustics -- Measurement of insertion loss of ducted silencers without flow -- Laboratory survey method.

Acoustics -- Measurement of the influence of road surfaces on traffic noise -- Part 1: Statistical Pass-By method.

Acoustics -- Measurements on silencers in situ.

Acoustics -- Measurement of the in situ sound attenuation of a removable screen.

Acoustics -- Determination of sound insulation performance of cabins -- Laboratory and in situ measurements.

Acoustics -- Noise emitted by machinery and equipment -- Rules for the drafting and presentation of a noise test code.

Acoustics -- Measurement of sound absorption properties of road surfaces in situ -- Part 1: Extended surface method.

Acoustics -- Measurement of sound absorption properties of road surfaces in situ -- Part 2: Spot method for reflective surfaces.

Characterization of pavement texture by use of surface profiles -- Part 1: Determination of Mean Profile Depth.

Characterization of pavement texture by use of surface profiles -- Part 2: Terminology and basic requirements related to pavement texture profile analysis.

Characterization of pavement texture by use of surface profiles -- Part 3: Specification and classification of profilometers.

Characterization of pavement texture by use of surface profiles -- Part 4: Spectral analysis of surface profiles.

Characterization of pavement texture by use of surface profiles -- Part 5: Determination of megatexture.

Acoustics -- Framework for calculating a distribution of sound exposure levels for impulsive sound events for the purposes of environmental noise assessment.

Acoustics -- Stationary audible warning devices used outdoors -- Part 1: Field measurements for determination of sound emission quantities.

Acoustics -- Stationary audible warning devices used outdoors -- Part 2: Precision methods for determination of sound emission quantities.

Acoustics -- Guidelines for noise control by silencers.

Acoustics -- Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance.

Acoustics -- Noise control design procedures for open plant.

Acoustics -- Acoustic insulation for pipes, valves and flanges.

Acoustics -- Assessment of noise annoyance by means of social and socio-acoustic surveys.

Acoustics -- Guidelines for noise control by enclosures and cabins.

Verification of the performances of laser profilometers used for pavement texture measurements.

Measurement of minimum noise emitted by road vehicles.

Acoustics -- Compatibility between indoor and outdoor testing of road vehicles.

Acoustics -- Noise from shooting ranges -- Part 1: Determination of muzzle blast by measurement.

Acoustics -- Noise from shooting ranges -- Part 2: Estimation of muzzle blast and projectile sound by calculation.

Acoustics -- Noise from shooting ranges -- Part 3: Guidelines for sound propagation calculations.

Acoustics -- Noise from shooting ranges -- Part 4: Prediction of projectile sound.

Acoustics -- Noise from shooting ranges -- Part 5: Noise management.

Acoustics -- Guidelines for noise control in offices and workrooms by means of acoustical screens.

Acoustics -- Unattended monitoring of aircraft sound in the vicinity of airports.

Acoustics -- Definitions of basic quantities and terms.

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