Appendix C
Additional Information on Standards Activities

Accredited Standards Committees

The Acoustical Society of America (ASA) administers four accredited standards committees under contract with the American National Standards Institute (ANSI). See http://www.acosoc.org/standards. The four committees deal with noise and its effects:

  • Accredited Standards Committee S12 Noise,

  • Accredited Standards Committee S1 Acoustics,

  • Accredited Standards Committee S2 Mechanical Vibration and Shock, and

  • Accredited Standards Committee S3 Bioacoustics.

These committees are referred to as accredited standards committees (ASCS) because they are accredited by ANSI and function according to operating procedures approved by ANSI. To maintain their accredited status, the operation of the committees is subject to periodic audits by ANSI. These committees are composed of organizational members who vote on proposed consensus standards; criteria and dues for membership are established by each committee, and balance of interested parties is required. As of November 2008, S12 had 48 organizational members, S1 had 17 organizational members, S2 had 38 organizational members, and S3 had 27 organizational members. Each ASA ASC also has individual experts who assist each committee by providing technical expertise.

ASC S12 Scope: Standards, specifications, and terminology in the field of acoustical noise pertaining to methods of measurement, evaluation, and control, including biological safety, tolerance and comfort, and physical acoustics as related to environmental and occupational noise.


ASC S1 Scope: Standards, specifications, methods of measurement and test, and terminology in the field of physical acoustics, including architectural acoustics, electroacoustics, sonics and ultrasonics, and underwater sound, but excluding those aspects which pertain to biological safety, tolerance, and comfort.


ASC S2 Scope: Standards, specification, methods of measurement and test, and terminology in the field of mechanical vibration and shock, and condition monitoring and diagnostics of machines, including the effects of exposure to mechanical vibration and shock on humans, including those aspects which pertain to biological safety and tolerance and comfort.


ASC S3 Scope: Standards, specifications, methods of measurement and test, and terminology in the fields of psychological and physiological acoustics, including aspects of general acoustics, which pertain to biological safety and tolerance and comfort.

ASA pays a substantial annual fee to ANSI to be allowed to administer these committees. The ASA does this as a public service in furtherance of its mission to “increase and diffuse the knowledge of acoustics and promote its practical application.”

Other organizations have ANSI-approved accredited standards committees that deal with noise; some of their standards are listed below. Many of these standards rely on basic acoustic or noise standards developed by ASA ASC S1, S12, S2, and S3.

Association of Home Appliance Manufacturers (AHAM)

Air Movement and Control Association International, Inc. (AMCA)

Air-Conditioning and Refrigeration Institute (ARI)

Alliance for Telecommunication Industry Solutions (ATIS)

American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE)



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Appendix C Additional Information on Standards Activities Accredited Standards Committees electroacoustics, sonics and ultrasonics, and underwater sound, but excluding those aspects which pertain to bio- The Acoustical Society of America (ASA) administers logical safety, tolerance, and comfort. four accredited standards committees under contract with the American National Standards Institute (ANSI). See ASC S2 Scope: Standards, specification, methods of http://www.acosoc.org/standards. The four committees deal measurement and test, and terminology in the field of with noise and its effects: mechanical vibration and shock, and condition monitor- ing and diagnostics of machines, including the effects of • Accredited Standards Committee S12 Noise, exposure to mechanical vibration and shock on humans, • Accredited Standards Committee S1 Acoustics, including those aspects which pertain to biological safety • Accredited Standards Committee S2 Mechanical Vi- and tolerance and comfort. bration and Shock, and • Accredited Standards Committee S3 Bioacoustics. ASC S3 Scope: Standards, specifications, methods of measurement and test, and terminology in the fields of These committees are referred to as accredited standards psychological and physiological acoustics, including committees (ASCS) because they are accredited by ANSI aspects of general acoustics, which pertain to biological and function according to operating procedures approved by safety and tolerance and comfort. ANSI. To maintain their accredited status, the operation of the committees is subject to periodic audits by ANSI. These ASA pays a substantial annual fee to ANSI to be allowed committees are composed of organizational members who to administer these committees. The ASA does this as a vote on proposed consensus standards; criteria and dues for public service in furtherance of its mission to “increase and membership are established by each committee, and balance diffuse the knowledge of acoustics and promote its practical of interested parties is required. As of November 2008, S12 application.” had 48 organizational members, S1 had 17 organizational Other organizations have ANSI-approved accredited members, S2 had 38 organizational members, and S3 had 27 standards committees that deal with noise; some of their organizational members. Each ASA ASC also has individual standards are listed below. Many of these standards rely on experts who assist each committee by providing technical basic acoustic or noise standards developed by ASA ASC expertise. S1, S12, S2, and S3. ASC S12 Scope: Standards, specifications, and terminolo- Association of Home Appliance Manufacturers gy in the field of acoustical noise pertaining to methods of (AHAM) measurement, evaluation, and control, including biologi- Air Movement and Control Association International, cal safety, tolerance and comfort, and physical acoustics Inc. (AMCA) as related to environmental and occupational noise. Air-Conditioning and Refrigeration Institute (ARI) Alliance for Telecommunication Industry Solutions ASC S1 Scope: Standards, specifications, methods of (ATIS) measurement and test, and terminology in the field of American Society of Heating, Refrigeration and Air- physical acoustics, including architectural acoustics, Conditioning Engineers (ASHRAE) 4

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0 TECHNOLOGY FOR A QUIETER AMERICA American Society for Testing and Materials (ASTM) TC 22/SC 22 Motorcycles Society of Automotive Engineers (SAE) TC 23/ SC 2 Tractors and machinery for agricultural Institute of Electrical and Electronics Engineers (IEEE) forestry/common tests Underwriters Laboratory (UL) TC 23/SC 3 Tractors and machinery for agricultural forestry/safety and comfort Other organizations promulgate standards or recom- TC 23/SC 17 Tractors and machinery for agricultural mended practices that are not accredited by ANSI and are forestry/manually portable forest ma- not American National Standards. Such organizations in- chinery clude the Institute of Noise Control Engineering, the Audio TC 36 Cinematography Engineering Society (AES), and others, including trade TC 39/SC 6 Machine tools/noise of machine tools associations. TC 43/SC 1 Acoustics/noise TC 43/SC 2 Acoustics/building acoustics TC 60 Gears Role of u.S. Technical Advisory groups TC 70 Internal combustion engines The ASA also administers nine U.S. Technical Advisory TC 72/SC 8 Textile machinery and accessories/safety Groups (U.S. TAGs). These U.S TAGs review international requirements for textile machinery documents—primarily draft standards—and develop the TC 86 Refrigeration and air conditioning U.S. position on them. They also provide the pool of candi- TC 86/SC 3 Testing and rating of factory-made dates for appointment to international working groups and refrigeration systems (excluding systems volunteers to coordinate and prepare draft U.S. positions covered by Subcommittees 5, 6, and 7) (http://www.acosoc.org/standards/). The TAGs are also TC 86/SC 5 Refrigeration and air conditioning/test- ANSI-accredited. The nine TAGs are: ing and rating of household refrigeration appliances • U.S. TAG for ISO/TC 43, Acoustics TC 86/SC 6 Factory-made air-cooled air-conditioning • U.S. TAG for ISO/TC 43/SC 1, Noise and air-to-air heat pump units • U.S. TAG for ISO/TC 108, Mechanical vibration, TC 108/SC 2 Measurement and evaluation of mechani- shock, and condition monitoring cal vibration and shock as applied to • U.S. TAG for ISO/TC 108/SC 2, Measurement and machines, vehicles, and structures evaluation of mechanical vibration and shock as ap- TC 115 Pumps plied to machines, vehicles, and structures TC 117 Industrial fans • U.S. TAG for ISO/TC 108/SC 3, Use and calibration TC 118/SC 3 Compressors and pneumatic tools, ma- of vibration and shock measuring instruments chines, and equipment/pneumatic tools • U.S. TAG for ISO/TC 108/SC 4, Human exposure to and machines mechanical vibration and shock TC 118/SC 6 Compressors and pneumatic tools, ma- • U.S. TAG for ISO/TC 108/SC 5, Condition monitoring chines, and equipment/air compressors and diagnostics of machines and compressed air systems • U.S. TAG for ISO/TC 108/SC 6, Vibration- and shock- TC 127/SC 2 Earth-moving machinery/safety, ergo- generating systems nomics, and general requirements • U.S. TAG for IEC/TC 29, Electroacoustics TC 131/SC 8 Fluid power systems/product testing TC 160/SC 2 Glass in buildings/use considerations As with the S committees, ASA pays a substantial annual TC 188 Small craft fee to ANSI to be allowed to administer the U.S. TAGs in these subject areas. The TAGs are also accredited by ANSI ISO TCs that Develop Standards Related to Noise and must follow their accredited operating procedures. TC 2 Rotating machinery TC 5 Steam turbines (in standby) ISO Technical Committees with an Interest in Noise or TC 59 Performance of household and similar Sound appliances The following committees of the International Organiza- TC 65 Industrial process measurement, control, tion for Standardization (http://www.iso.org) have an interest and automation in noise or sound: TC 88 Wind turbines TC 4 Roller bearings TC 21/SC 3 Equipment for fire protection and fire fighting/fire detection and alarm systems

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 APPENDIX C IEC-Developed Standards Related to Noise -2-3 Dishwashers -2-3am1 Dishwashers Examples of standards related to noise developed by the -2-4 Washing machines and spin extractors International Electrotechnical Commission (http://www.iec. -2-5 Thermal storage room heaters ch) are: -2-6 Tumble dryers -2-7 Fans IEC 60034-9, 60034-9am1, Noise limits—rotating elec- -2-8 Electric shavers trical machines (developed by TC 2) -2-9 Electric care appliances -2-10 Ovens, grills, etc. IEC 61063 Acoustics—Measurement of airborne noise -2-11 Electrically operated food preparation emitted by steam turbines and driven machinery (Based devices on ISO 3766, but under good conditions ISO 3744 may -2-13 Range hoods be used; developed by TC 5) -2-2-13am1 Range hoods -3 Procedures for determining and verifying IEC 60704 Household and similar electrical applianc- declared noise emission values es—Test code for the determination of airborne acousti- cal noise (based on ISO 3743-1, 3743-2, and ISO 3744; IEC 60534-8-1/-8-2/-8-3, Industrial processes—control developed by IEC TC 59, Performance of household and valves. Measurement of noise by control valve noise– similar appliances, as well as various subcommittees) aerodynamic/hydrodynamic/flow through (developed by TC 65 and various subcommittees) Parts of Standard -1 General requirements IEC 61400-11 Wind turbine generator systems, Part 11. -2-1 Vacuum cleaners Acoustic noise measurement techniques (developed by -2-2 Forced draught convection heaters TC 88: Wind Turbines)

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