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ASTM F1334-11

(Test Method)

Standard Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners

Standard Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners

SIGNIFICANCE AND USE
The test results enable the comparison of A-weighted sound emission from vacuum cleaners when tested under the condition of this test method.
SCOPE
1.1 This test method calculates the overall A-weighted sound power level emitted by small portable upright, canister, combination vacuum cleaners, and central vacuum cleaner motorized nozzles intended for operation in domestic and commercial applications.
1.1.1 To determine the Sound Power Level of a central vacuum at the power unit location refer to Test Method F 2544.
1.2 A-weighted sound pressure measurements are performed on a stationary vacuum cleaner in a semi-reverberant room. This test method determines sound power by a comparison method for small noise sources, that is, comparison to a broadband reference sound source.
1.3 This test method describes a procedure for determining the approximate A-weighted sound power level of small noise sources. This test method uses a non-special semi-reverberant room.
1.4 Results are expressed as A-weighted sound power level in decibels (referenced to one picowatt).
1.5 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are for information only.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Oct-2011
ICS
17.140.20 - Noise emitted by machines and equipment
97.080 - Cleaning appliances
Technical Committee
F11 - Vacuum Cleaners
Drafting Committee
F11.25 - Sound Measurement
Current Stage
Ref Project

Relations

Replaces
ASTM F1334-08 - Standard Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners
Effective Date
01-Nov-2011
Replaced By
ASTM F1334-12 - Standard Test Method for Determining A-Weighted Sound Power Level of Vacuum Cleaners
Effective Date
01-Jun-2012
Referred By
ASTM F1411-11(2018) - Standard Practice for Presenting Selected Information on Vacuum Cleaners for Consumer Use
Effective Date
01-Nov-2011
Referred By
ASTM F1409-16 - Standard Test Method for Straight Line Movement of Vacuum Cleaners While Cleaning Carpets
Effective Date
01-Nov-2011
Referred By
ASTM F1284-22 - Standard Test Method for Evaluating Carpet Embedded Dirt Removal Effectiveness of Residential Central Vacuum Cleaning Systems
Effective Date
01-Nov-2011
Referred By
ASTM F2609-11(2021) - Standard Test Method for Litter-Cleaning Effectiveness of Vacuum Cleaners
Effective Date
01-Nov-2011
Referred By
ASTM F2608-15(2022) - Standard Test Method for Determining the Change in Room Air Particulate Counts as a Result of the Vacuum Cleaning Process
Effective Date
01-Nov-2011
Referred By
ASTM F608-22 - Standard Test Method for Evaluation of Carpet Embedded Dirt Removal Effectiveness of Household/Commercial Vacuum Cleaners
Effective Date
01-Nov-2011
Referred By
ASTM F2544-11(2018) - Standard Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units
Effective Date
01-Nov-2011

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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation:F1334–11
Standard Test Method for
Determining A-Weighted Sound Power Level of Vacuum
1
Cleaners
This standard is issued under the fixed designation F1334; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to
1.1 This test method calculates the overall A-weighted
Determine the Precision of a Test Method
sound power level emitted by small portable upright, canister,
F608 Test Method for Evaluation of Carpet Embedded Dirt
combination vacuum cleaners, and central vacuum cleaner
Removal Effectiveness of Household/CommercialVacuum
motorized nozzles intended for operation in domestic and
Cleaners
commercial applications.
F655 Specification for Test Carpets and Pads for Vacuum
1.1.1 To determine the Sound Power Level of a central
Cleaner Testing
vacuum at the power unit location refer toTest Method F2544.
F2544 Test Method for Determining A-Weighted Sound
1.2 A-weighted sound pressure measurements are per-
Power Level of Central Vacuum Power Units
formed on a stationary vacuum cleaner in a semi-reverberant
F2607 Test Method for Measuring the Hard Surface Floor-
room.This test method determines sound power by a compari-
Cleaning Ability of Household/Commercial Vacuum
son method for small noise sources, that is, comparison to a
Cleaners
broadband reference sound source.
3
2.2 ANSI Standards:
1.3 This test method describes a procedure for determining
ANSI S1.10 Method for the Calibration of Microphones
the approximateA-weighted sound power level of small noise
ANSIS1.43 SpecificationsforIntegrating-AveragingSound
sources. This test method uses a non-special semi-reverberant
Level Meters
room.
ANSIS12.51/ISO3741 Acoustics-Determinationofsound
1.4 Results are expressed asA-weighted sound power level
power levels of noise sources using sound pressure -
in decibels (referenced to one picowatt).
Precision methods for reverberation rooms
1.5 The values stated in inch-pound units are to be regarded
ANSIS12.53/ISO3743 Acoustics-Determinationofsound
as the standard. The values in parentheses are for information
power levels of noise sources - Engineering methods for
only.
small, movable sources in reverberant fields
1.6 This standard does not purport to address all of the
ANSIS12.57/ISO3747 StandardAcoustics-Determination
safety concerns, if any, associated with its use. It is the
of sound power levels of noise sources using sound
responsibility of the user of this standard to establish appro-
pressure - Comparison method in situ
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
3. Terminology
2. Referenced Documents 3.1 Definitions:
2 3.1.1 population, n—the total of all of the units of the
2.1 ASTM Standards:
particular model or type, or both, of vacuum cleaner being
C634 Terminology Relating to Building and Environmental
tested.
Acoustics
3.1.2 population sample or sample, n—three or more test
E177 Practice for Use of the Terms Precision and Bias in
units, randomly taken from the population.
3.1.3 reference sound source, n—a standard source of
broadbandsoundwithacertifiedsetofsoundpoweremissions.
1
ThistestmethodisunderthejurisdictionofASTMCommitteeF11onVacuum
3.1.4 source, n—a device that emits sound.This may be the
Cleaners and is the direct responsibility of Subcommittee F11.25 on Sound
vacuum cleaner or a motorized nozzle.
Measurement.
Current edition approved Nov. 1, 2011. Published December 2011. Originally
3.1.5 test unit or unit, n—asinglevacuumcleanerornozzle
approved in 1991. Last previous edition approved in 2008 as F1334–08. DOI:
of the model or type, or both, being tested.
10.1520/F1334-11.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from American National Standards Institute, 11 W. 42nd St., 13th
the ASTM website. Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F1334–11
3.1.6 Unless otherwise indicated, definitions are in accor-
dance with Terminology C634.
4. Significance and Use
4.1 The test results enable the comparison of A-weighted
sound emission from vacuum cleaners when tested under the
condition of this test method.
5. Test Room Requirements
5.1 The test room shall be semi-reverber
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
An American National Standard
Designation:F1334–08 Designation:F1334–11
Standard Test Method for
Determining A-Weighted Sound Power Level of Vacuum
1
Cleaners
This standard is issued under the fixed designation F1334; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method calculates the overall A-weighted sound power level emitted by small portable upright, canister,
combination vacuum cleaners, and central vacuum cleaner motorized nozzles intended for operation in domestic and commercial
applications.
1.1.1 To determine the Sound Power Level of a central vacuum at the power unit location refer to Test Method F2544.
1.2 A-weighted sound pressure measurements are performed on a stationary vacuum cleaner in a semi-reverberant room. This
testmethoddeterminessoundpowerbyacomparisonmethodforsmallnoisesources,thatis,comparisontoabroadbandreference
sound source.
1.3 This test method describes a procedure for determining the approximate A-weighted sound power level of small noise
sources. This test method uses a non-special semi-reverberant room.
1.4 Results are expressed as A-weighted sound power level in decibels (referenced to one picowatt).
1.5 Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
C634 Terminology Relating to Building and Environmental Acoustics
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
F608 TestMethodforEvaluationofCarpetEmbeddedDirtRemovalEffectivenessofHousehold/CommercialVacuumCleaners
F655 Specification for Test Carpets and Pads for Vacuum Cleaner Testing
F2544 Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units Test Method for
Determining A-Weighted Sound Power Level of Central Vacuum Power Units
F2607 Test Method for Measuring the Hard Surface Floor-Cleaning Ability of Household/Commercial Vacuum Cleaners
3
2.2 ANSI Standards:
ANSI S1.10 Method for the Calibration of Microphones
ANSI S1.43 Specifications for Integrating-Averaging Sound Level Meters
ANSI S12.51/ISO 3741 Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision
methods for reverberation rooms
ANSI S12.53/ISO 3743 Acoustics - Determination of sound power levels of noise sources - Engineering methods for small,
movable sources in reverberant fields
ANSI S12.57/ISO 3747 Standard Acoustics - Determination of sound power levels of noise sources using sound pressure -
Comparison method in situ
3. Terminology
3.1 Definitions:
1
ThistestmethodisunderthejurisdictionofASTMCommitteeF11onVacuumCleanersandisthedirectresponsibilityofSubcommitteeF11.25onSoundMeasurement.
Current edition approved Feb.Nov. 1, 2008.2011. Published March 2008.December 2011. Originally approved in 1991. Last previous edition approved in 20022008 as
F1334–028. DOI: 10.1520/F1334-08.10.1520/F1334-11.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F1334–11
3.1.1 population, n—the total of all of the units of the particular model or type, or both, of vacuum cleaner being tested.
3.1.2 population sample or sample, n—three or more test units, randomly taken from the population.
3.1.3 reference sound source, n—a standard source of broadband sound with a certified set of sound power emissions.
3.1.4 source, n—a device that emits sound. This may be the vacuum cleaner or a motorized nozzle.
3.1.5 test unit or unit, n—a single vacuum cleaner
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
An American National Standard
Designation:F1334–08 Designation:F1334–11
Standard Test Method for
Determining A-Weighted Sound Power Level of Vacuum
1
Cleaners
This standard is issued under the fixed designation F1334; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method calculates the overall A-weighted sound power level emitted by small portable upright, canister,
combination vacuum cleaners, and central vacuum cleaner motorized nozzles intended for operation in domestic and commercial
applications.
1.1.1 To determine the Sound Power Level of a central vacuum at the power unit location refer to Test Method F2544.
1.2 A-weighted sound pressure measurements are performed on a stationary vacuum cleaner in a semi-reverberant room. This
testmethoddeterminessoundpowerbyacomparisonmethodforsmallnoisesources,thatis,comparisontoabroadbandreference
sound source.
1.3 This test method describes a procedure for determining the approximate A-weighted sound power level of small noise
sources. This test method uses a non-special semi-reverberant room.
1.4 Results are expressed as A-weighted sound power level in decibels (referenced to one picowatt).
1.5 Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
C634 Terminology Relating to Building and Environmental Acoustics
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
F608 TestMethodforEvaluationofCarpetEmbeddedDirtRemovalEffectivenessofHousehold/CommercialVacuumCleaners
F655 Specification for Test Carpets and Pads for Vacuum Cleaner Testing
F2544 Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units Test Method for
Determining A-Weighted Sound Power Level of Central Vacuum Power Units
F2607 Test Method for Measuring the Hard Surface Floor-Cleaning Ability of Household/Commercial Vacuum Cleaners
3
2.2 ANSI Standards:
ANSI S1.10 Method for the Calibration of Microphones
ANSI S1.43 Specifications for Integrating-Averaging Sound Level Meters
ANSI S12.51/ISO 3741 Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision
methods for reverberation rooms
ANSI S12.53/ISO 3743 Acoustics - Determination of sound power levels of noise sources - Engineering methods for small,
movable sources in reverberant fields
ANSI S12.57/ISO 3747 Standard Acoustics - Determination of sound power levels of noise sources using sound pressure -
Comparison method in situ
3. Terminology
3.1 Definitions:
1
ThistestmethodisunderthejurisdictionofASTMCommitteeF11onVacuumCleanersandisthedirectresponsibilityofSubcommitteeF11.25onSoundMeasurement.
Current edition approved Feb.Nov. 1, 2008.2011. Published March 2008.December 2011. Originally approved in 1991. Last previous edition approved in 20022008 as
F1334–028. DOI: 10.1520/F1334-08.10.1520/F1334-11.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F1334–11
3.1.1 population, n—the total of all of the units of the particular model or type, or both, of vacuum cleaner being tested.
3.1.2 population sample or sample, n—three or more test units, randomly taken from the population.
3.1.3 reference sound source, n—a standard source of broadband sound with a certified set of sound power emissions.
3.1.4 source, n—a device that emits sound. This may be the vacuum cleaner or a motorized nozzle.
3.1.5 test unit or unit, n—a single vacuum cleaner
...

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1.1 This test method calculates the overall A-weighted sound power level emitted by small portable upright, canister, combination vacuum cleaners, backpack vacuum cleaners, hard-floor cleaning machines, extractors, and central vacuum cleaner motorized nozzles intended for operation in domestic and commercial applications.  
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1.1 This test method calculates the overall A-weighted sound power level emitted by small portable upright, canister, combination vacuum cleaners, backpack vacuum cleaners, hard-floor cleaning machines, extractors, and central vacuum cleaner motorized nozzles intended for operation in domestic and commercial applications.  
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1.2 The values stated in SI units are to be regarded as standard. When combined standards are referenced, the selection of measurement system is at the user’s discretion subject to the requirements of the referenced standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure).2  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM F3337-23(Guide)
Standard Guide for Taking Property and Behavior Measurements on Weathered Fractions of Oil

SIGNIFICANCE AND USE
5.1 A standard procedure is necessary to establish property changes for spilled oils or petroleum products at different oil weathering stages.  
5.2 This procedure employs standardized equipment, and test procedures.  
5.3 This procedure should be performed at the stages of weathering corresponding to the spill conditions of interest.
SCOPE
1.1 This guide summarizes methods to fractionate oil by evaporative weathering and then measure the properties and behavior of the weathered oil. The results of this guide can provide oil behavior data for input into oil spill models and response method selection.  
1.2 This guide covers general procedures for oil weathering and behavior and does not cover all possible procedures which may be applicable to this topic.  
1.3 The results obtained using this guide are intended to provide baseline data for the behavior of oil and petroleum products when spilled and input to oil spill models.  
1.4 The results obtained using this guide can be used directly to predict certain facets of oil spill behavior or as input to oil spill models.  
1.5 The accuracy of the guide depends very much on the representative nature of the oil sample used. Certain oils can have different properties depending on their chemical contents at the moment a sample is taken.  
1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM F1210-23(Guide)
Standard Guide for Ecological Considerations for the Use of Oil Spill Dispersants in Freshwater and Other Inland Environments, Lakes and Large Water Bodies

SIGNIFICANCE AND USE
3.1 This guide is meant to aid response teams who may use it during spill response planning and spill events.  
3.2 This guide should be adapted to site specific circumstance.
SCOPE
1.1 This guide covers the use of oil spill dispersants to assist in the control of oil spills. The guide is written with the goal of minimizing the environmental impacts of oil spills; this goal is the basis on which the recommendations are made. Aesthetic and socioeconomic factors are not considered, although these and other factors are often important in spill response.  
1.2 Spill responders have available several means to control or clean up spilled oil. Chemical dispersants should be given equal consideration with other spill countermeasures.  
1.3 This is a general guide only. Oil, as used in this guide, includes crude oils and refined petroleum products. Differences between individual dispersants or between different oil products are not considered. The dispersibility of the oil with the chosen dispersant should be evaluated.  
1.4 The guide is organized by habitat type, for example, small ponds and lakes, rivers and streams, and land. It considers the use of dispersants primarily to protect habitats from impact (or to minimize impacts).  
1.5 This guide applies only to freshwater and other inland environments. It does not consider the direct application of dispersants to subsurface waters.  
1.6 In making dispersant use decisions, appropriate government authorities should be consulted as required by law.  
1.7 This guide does not address getting regulatory approval.  
1.8 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.9 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.10 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D8139-23(Specification)
Standard Specification for Semi-Rigid, Closed-Cell Polypropylene Foam, Preformed Expansion Joint Fillers for Concrete Paving and Structural Construction

SCOPE
1.1 This specification covers preformed expansion joint fillers made from closed-cell polypropylene foam materials having suitable compressibility, recovery from compression, nonextruding, and weather-resistant characteristics.  
1.1.1 Type I, closed-cell polypropylene foam.  
1.2 These joint fillers are intended for use in concrete pavements in full-depth joints. There are several variations in size with typical thicknesses of 1/2 in. (12.7 mm), 3/4 in. (19.05 mm), and 1 in. (25.4 mm); typical widths of 31/2 in. (88.9 mm), 4 in. (101.6 mm), 5 in. (127 mm), 6 in. (152.5 mm), 7 in. (177.8 mm), 8 in. (203.2 mm), or 48 in. (1.2 m) sheet; and typical lengths of 5 ft (1.52 m) and 10 ft (3.05 m).  
1.3 The values stated in inch-pound units are to be regarded as the standard.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D6390-23(Test Method)
Standard Test Method for Determination of Draindown Characteristics in Uncompacted Asphalt Mixtures

SIGNIFICANCE AND USE
5.1 This test method can be used to determine whether the amount of draindown measured for a given asphalt mixture is within specified acceptable levels. The test provides an evaluation of the draindown potential of an asphalt mixture during mixture design and/or during field production. This test is primarily used for mixtures with high coarse aggregate content such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).
Note 1: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
SCOPE
1.1 This test method covers the determination of the amount of draindown in an uncompacted asphalt mixture sample when the sample is held at elevated temperatures comparable to those encountered during the production, storage, transport, and placement of the mixture. The test is particularly applicable to mixtures such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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