ASTM F2969-12(2020)
(Specification)Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) IPS Dimensioned Pressure Pipe
Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) IPS Dimensioned Pressure Pipe
ABSTRACT
This specification covers acrylonitrile-butadiene-styrene (ABS) IPS dimensioned pressure pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water. It includes criteria for classifying ABS plastic pipe materials and ABS plastic pipe, a system of nomenclature for ABS plastic pipe, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, and extrusion quality. Methods of marking are also given. The products covered by this specification are intended for use with the distribution of pressurized liquids, which are chemically compatible with the piping materials. This specification deals with materials and requirements, pipe classification, test methods, retest and rejection, marking, and quality assurance.
SCOPE
1.1 This specification covers acrylonitrile-butadiene-styrene (ABS) IPS dimensioned pressure pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water (see Appendix X1). Included are criteria for classifying ABS plastic pipe materials and ABS plastic pipe, a system of nomenclature for ABS plastic pipe, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, and extrusion quality. Methods of marking are also given.
1.2 The products covered by this specification are intended for use with the distribution of pressurized liquids, which are chemically compatible with the piping materials. Consult with the manufacturer and local building codes before use in other applications. Due to inherent hazards associated with testing components and systems with compressed air or other compressed gases some manufacturers do not allow pneumatic testing of their products. Consult with specific product/component manufacturers for their specific testing procedures prior to pneumatic testing.
Note 1: Pressurized (compressed) air or other compressed gases contain large amounts of stored energy which present serious safety hazards should a system fail for any reason.
Note 2: Exposure to ultraviolet radiation over a long period of time may affect the physical properties of ABS pipe. Consult the manufacturer for recommendations for handling, storage, and installations that are not protected by insulation.
1.3 Pipe meeting the requirements of this standard is not compatible with DWV fittings. The ABS pipe covered in this standard is intended for pressure service and it shall be joined to pressure fittings. Non-pressure fittings, such as DWV fittings from any material (ABS, PVC, CPVC, etc.) are not acceptable for pressure applications.
1.4 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
1.6 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification: 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.
1.7 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.
General Information
- Status
- Published
- Publication Date
- 14-Oct-2020
- Technical Committee
- F17 - Plastic Piping Systems
- Drafting Committee
- F17.61 - Water
Relations
- Effective Date
- 01-Apr-2020
- Effective Date
- 01-Jan-2019
- Effective Date
- 01-Sep-2018
- Refers
ASTM D1600-18 - Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024) - Effective Date
- 01-Jan-2018
- Effective Date
- 01-Aug-2017
- Effective Date
- 01-Feb-2017
- Effective Date
- 15-Nov-2016
- Effective Date
- 01-Aug-2016
- Effective Date
- 01-Nov-2015
- Effective Date
- 01-Jun-2015
- Refers
ASTM D2122-15 - Standard Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings - Effective Date
- 15-Mar-2015
- Effective Date
- 15-Apr-2014
- Effective Date
- 01-Feb-2014
- Effective Date
- 15-Nov-2013
- Effective Date
- 15-Apr-2013
Overview
ASTM F2969-12(2020) is the standard specification for Acrylonitrile-Butadiene-Styrene (ABS) IPS dimensioned pressure pipe produced by single extrusion, designed and pressure rated for water distribution applications. Developed by ASTM, this standard is essential for manufacturers, specifiers, and users involved in specifying, producing, or utilizing thermoplastic pressure piping systems. It includes comprehensive requirements for ABS pipe materials, classification, nomenclature, performance tests, product marking, and guidelines for quality assurance. The scope specifically covers pressurized liquid distribution where chemical compatibility with ABS piping is maintained.
Key Topics
- ABS Pipe Material Classification: Outlines criteria for classifying ABS plastic pipe materials and the pipe itself, ensuring consistency in quality and performance.
- Pipe Nomenclature: Provides a systematic naming structure for ABS pipes, improving clarity across the supply chain and engineering documentation.
- Physical and Mechanical Requirements:
- Dimensions and tolerances for outside diameter and wall thickness
- Workmanship standards ensuring pipes are homogeneous and free from defects
- Sustained pressure and burst pressure requirements for long-term reliability
- Extrusion quality and standards for rework material
- Testing Methods: Specifies procedures for:
- Conditioning and sampling
- Sustained pressure testing (ASTM D1598)
- Burst pressure testing (ASTM D1599)
- Dimensional measurements (ASTM D2122)
- Marking: Sets out requirements for legible, durable pipe identification, including size, material classification, SDR (Standard Dimension Ratio), pressure rating, and manufacturer information.
- Potable Water Compliance: Mandates evaluation and certification against NSF/ANSI standards for pipes intended for drinking water.
- Quality Assurance: Procedures to affirm compliance through sampling, inspection, and retesting.
Applications
- Water Distribution: Primary use in piping systems for potable water and other pressurized liquids compatible with ABS material.
- Municipal and Commercial Plumbing: Used in water mains, service lines, and building supply lines where thermoplastic pressure piping is appropriate.
- Industrial Fluid Handling: Suitable for transporting various non-potable liquids under pressure, provided chemical compatibility is established.
- Not for DWV Systems: Pipes made to ASTM F2969-12(2020) are not compatible with Drain, Waste, and Vent (DWV) fittings, and are intended only for pressure-service using appropriate pressure fittings.
Related Standards
- ASTM D3965: Specification for rigid ABS materials for pipe and fittings.
- ASTM D1598 & D1599: Test methods for time-to-failure under constant internal pressure and resistance to short-time hydraulic pressure, respectively.
- ASTM D2122: Methods for determining dimensions of thermoplastic pipe and fittings.
- NSF/ANSI 14 & 61: Standards covering plastic piping components and their health effects for drinking water systems.
- Federal and Military Packaging Standards: Fed. Std. No. 123 and MIL-STD-129 for shipment marking, where applicable.
Practical Value
Adhering to ASTM F2969-12(2020) ensures consistent quality, safety, and reliability for ABS pressure pipe applications. Manufacturers, engineers, and end-users benefit from:
- Confidence in Performance: Rigorous classification and testing requirements minimize risk of failure in pressure applications.
- Regulatory Compliance: Alignment with international and U.S. regulatory requirements, including potable water approvals.
- Clarity in Specification: Unified nomenclature and marking reduce ambiguity in procurement, installation, and inspection.
By referencing this standard, stakeholders can be sure their ABS pressure pipe applications meet recognized industry benchmarks for quality and safety.
Buy Documents
ASTM F2969-12(2020) - Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) IPS Dimensioned Pressure Pipe
Get Certified
Connect with accredited certification bodies for this standard
Institut za varilstvo d.o.o. (Welding Institute)
Slovenia's leading welding institute since 1952. ISO 3834, EN 1090, pressure equipment certification, NDT personnel, welder qualification. Only IIW Au
Sponsored listings
Frequently Asked Questions
ASTM F2969-12(2020) is a technical specification published by ASTM International. Its full title is "Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) IPS Dimensioned Pressure Pipe". This standard covers: ABSTRACT This specification covers acrylonitrile-butadiene-styrene (ABS) IPS dimensioned pressure pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water. It includes criteria for classifying ABS plastic pipe materials and ABS plastic pipe, a system of nomenclature for ABS plastic pipe, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, and extrusion quality. Methods of marking are also given. The products covered by this specification are intended for use with the distribution of pressurized liquids, which are chemically compatible with the piping materials. This specification deals with materials and requirements, pipe classification, test methods, retest and rejection, marking, and quality assurance. SCOPE 1.1 This specification covers acrylonitrile-butadiene-styrene (ABS) IPS dimensioned pressure pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water (see Appendix X1). Included are criteria for classifying ABS plastic pipe materials and ABS plastic pipe, a system of nomenclature for ABS plastic pipe, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, and extrusion quality. Methods of marking are also given. 1.2 The products covered by this specification are intended for use with the distribution of pressurized liquids, which are chemically compatible with the piping materials. Consult with the manufacturer and local building codes before use in other applications. Due to inherent hazards associated with testing components and systems with compressed air or other compressed gases some manufacturers do not allow pneumatic testing of their products. Consult with specific product/component manufacturers for their specific testing procedures prior to pneumatic testing. Note 1: Pressurized (compressed) air or other compressed gases contain large amounts of stored energy which present serious safety hazards should a system fail for any reason. Note 2: Exposure to ultraviolet radiation over a long period of time may affect the physical properties of ABS pipe. Consult the manufacturer for recommendations for handling, storage, and installations that are not protected by insulation. 1.3 Pipe meeting the requirements of this standard is not compatible with DWV fittings. The ABS pipe covered in this standard is intended for pressure service and it shall be joined to pressure fittings. Non-pressure fittings, such as DWV fittings from any material (ABS, PVC, CPVC, etc.) are not acceptable for pressure applications. 1.4 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification. 1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only. 1.6 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification: 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. 1.7 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.
ABSTRACT This specification covers acrylonitrile-butadiene-styrene (ABS) IPS dimensioned pressure pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water. It includes criteria for classifying ABS plastic pipe materials and ABS plastic pipe, a system of nomenclature for ABS plastic pipe, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, and extrusion quality. Methods of marking are also given. The products covered by this specification are intended for use with the distribution of pressurized liquids, which are chemically compatible with the piping materials. This specification deals with materials and requirements, pipe classification, test methods, retest and rejection, marking, and quality assurance. SCOPE 1.1 This specification covers acrylonitrile-butadiene-styrene (ABS) IPS dimensioned pressure pipe produced by single extrusion in standard thermoplastic pipe dimension ratios and pressure rated for water (see Appendix X1). Included are criteria for classifying ABS plastic pipe materials and ABS plastic pipe, a system of nomenclature for ABS plastic pipe, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, and extrusion quality. Methods of marking are also given. 1.2 The products covered by this specification are intended for use with the distribution of pressurized liquids, which are chemically compatible with the piping materials. Consult with the manufacturer and local building codes before use in other applications. Due to inherent hazards associated with testing components and systems with compressed air or other compressed gases some manufacturers do not allow pneumatic testing of their products. Consult with specific product/component manufacturers for their specific testing procedures prior to pneumatic testing. Note 1: Pressurized (compressed) air or other compressed gases contain large amounts of stored energy which present serious safety hazards should a system fail for any reason. Note 2: Exposure to ultraviolet radiation over a long period of time may affect the physical properties of ABS pipe. Consult the manufacturer for recommendations for handling, storage, and installations that are not protected by insulation. 1.3 Pipe meeting the requirements of this standard is not compatible with DWV fittings. The ABS pipe covered in this standard is intended for pressure service and it shall be joined to pressure fittings. Non-pressure fittings, such as DWV fittings from any material (ABS, PVC, CPVC, etc.) are not acceptable for pressure applications. 1.4 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification. 1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only. 1.6 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification: 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. 1.7 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.
ASTM F2969-12(2020) is classified under the following ICS (International Classification for Standards) categories: 23.040.20 - Plastics pipes. The ICS classification helps identify the subject area and facilitates finding related standards.
ASTM F2969-12(2020) has the following relationships with other standards: It is inter standard links to ASTM F412-20, ASTM F412-19, ASTM D1599-18, ASTM D1600-18, ASTM F412-17a, ASTM F412-17, ASTM F412-16a, ASTM F412-16, ASTM D1598-15, ASTM F412-15, ASTM D2122-15, ASTM D1599-14, ASTM D1600-14, ASTM D2837-13, ASTM D1600-13. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ASTM F2969-12(2020) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
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.
Designation: F2969 −12 (Reapproved 2020) An American National Standard
Standard Specification for
Acrylonitrile-Butadiene-Styrene (ABS) IPS Dimensioned
Pressure Pipe
This standard is issued under the fixed designation F2969; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 1.5 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are provided
1.1 This specification covers acrylonitrile-butadiene-styrene
for information purposes only.
(ABS) IPS dimensioned pressure pipe produced by single
1.6 The following safety hazards caveat pertains only to the
extrusion in standard thermoplastic pipe dimension ratios and
test method portion, Section 7, of this specification: This
pressure rated for water (see Appendix X1). Included are
standard does not purport to address all of the safety concerns,
criteria for classifying ABS plastic pipe materials and ABS
if any, associated with its use. It is the responsibility of the user
plastic pipe, a system of nomenclature for ABS plastic pipe,
of this standard to establish appropriate safety, health, and
andrequirementsandtestmethodsformaterials,workmanship,
environmental practices and determine the applicability of
dimensions, sustained pressure, burst pressure, and extrusion
regulatory limitations prior to use.
quality. Methods of marking are also given.
1.7 This international standard was developed in accor-
1.2 The products covered by this specification are intended
dance with internationally recognized principles on standard-
for use with the distribution of pressurized liquids, which are
ization established in the Decision on Principles for the
chemically compatible with the piping materials. Consult with
Development of International Standards, Guides and Recom-
the manufacturer and local building codes before use in other
mendations issued by the World Trade Organization Technical
applications. Due to inherent hazards associated with testing
Barriers to Trade (TBT) Committee.
components and systems with compressed air or other com-
pressed gases some manufacturers do not allow pneumatic
2. Referenced Documents
testing of their products. Consult with specific product/
2.1 ASTM Standards:
component manufacturers for their specific testing procedures
D618 Practice for Conditioning Plastics for Testing
prior to pneumatic testing.
D1598 Test Method for Time-to-Failure of Plastic Pipe
NOTE 1—Pressurized (compressed) air or other compressed gases
Under Constant Internal Pressure
contain large amounts of stored energy which present serious safety
D1599 Test Method for Resistance to Short-Time Hydraulic
hazards should a system fail for any reason.
NOTE 2—Exposure to ultraviolet radiation over a long period of time Pressure of Plastic Pipe, Tubing, and Fittings
may affect the physical properties ofABS pipe. Consult the manufacturer
D1600 Terminology forAbbreviatedTerms Relating to Plas-
for recommendations for handling, storage, and installations that are not
tics
protected by insulation.
D2122 Test Method for Determining Dimensions of Ther-
1.3 Pipe meeting the requirements of this standard is not
moplastic Pipe and Fittings
compatible with DWV fittings. The ABS pipe covered in this
D2837 Test Method for Obtaining Hydrostatic Design Basis
standard is intended for pressure service and it shall be joined
forThermoplasticPipeMaterialsorPressureDesignBasis
topressurefittings.Non-pressurefittings,suchasDWVfittings
for Thermoplastic Pipe Products
from any material (ABS, PVC, CPVC, etc.) are not acceptable
D3965 ClassificationSystemandBasisforSpecificationsfor
for pressure applications.
Rigid Acrylonitrile-Butadiene-Styrene (ABS) Materials
for Pipe and Fittings
1.4 The text of this specification references notes, footnotes,
F412 Terminology Relating to Plastic Piping Systems
and appendixes which provide explanatory material. These
2.2 Federal Standard:
notesandfootnotes(excludingthoseintablesandfigures)shall
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
not be considered as requirements of the specification.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
This specification is under the jurisdiction ofASTM Committee F17 on Plastic contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Piping Systems and is the direct responsibility of Subcommittee F17.61 on Water. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Oct. 15, 2020. Published October 2020. Originally the ASTM website.
approved in 2012. Last previous edition approved in 2012 as F2969–12. DOI: Available from DLA Document Services, Building 4/D, 700 Robbins Ave.,
10.1520/F2969-12R20 Philadelphia, PA 19111-5094, http://quicksearch.dla.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2969 − 12 (2020)
2.3 Military Standard: or other defects. The pipe shall be as uniform as commercially
MIL-STD-129 Marking for Shipment and Storage practicable in color, opacity, density, and other physical prop-
erties.
2.4 NSF International Standards:
NSF/ANSI Standard No. 14 for Plastic Piping Components
6.2 Dimensions and Tolerances:
and Related Materials
6.2.1 Outside Diameters—The outside diameters and toler-
NSF/ANSI Standard No. 61 for Drinking Water System
ances shall be as shown in Table 1 when measured in
Components—Health Effects
accordance with Test Method D2122. The tolerances for
out-of-roundness shall apply only on pipe prior to shipment.
3. Terminology
6.2.2 Wall Thickness—The wall thicknesses and tolerances
shall be as shown in Table 2 when measured in accordance
3.1 General—Definitions are in accordance with Terminol-
with Test Method D2122.
ogy F412. Abbreviations are in accordance with Terminology
D1600, unless otherwise indicated. The abbreviation for
6.3 Sustained Pressure—The pipe shall not fail, balloon,
acrylonitrile-butadiene-styrene plastic is ABS.
burst, or weep as defined in Test Method D1598 at the test
pressures given in Table 3 when tested in accordance with 7.5.
4. Materials
6.4 Burst Pressure—The minimum burst pressures forABS
4.1 General—Acrylonitrile-butadiene-styrene plastics used
plastic pipe shall be as given in Table 4, when determined in
to make pipe meeting the requirements of this specification are
accordance with 7.6.
categorized by means of two criteria: basic short-term
properties,andlong-termhydrostaticstrength.Sections4.2and
7. Test Methods
4.3 respectively define these categories.
7.1 Conditioning—Condition the test specimens at 73 6
4.2 Basic Materials – Short-term Properties—This specifi-
3.6 °F (23 6 2 °C) and 50 6 10 % relative humidity for not
cation covers ABS pipe made from ABS plastic materials
less than 40 h prior to test in accordance with Procedure A of
meeting or exceeding requirements for ABS 42222 as defined
Practice D618 for those tests where conditioning is required.
in Specification D3965.
7.2 Test Conditions—Conduct the tests in the Standard
4.3 Long-Term Hydrostatic Strength—This specification
Laboratory Atmosphere of 73 6 3.6 °F (23 6 2 °C) and 50 6
covers ABS pipe made from ABS plastic material having an
10 % relative humidity, unless otherwise specified in the test
established 73 °F (23 °C) hydrostatic design basis of 2500 psi
methods or in this specification.
(17.24MPa)orgreaterinaccordancewithTestMethodD2837.
7.3 Sampling—The selection of the sample or samples of
4.4 Rework Material—The manufacturers shall use only
pipe shall be as agreed upon by the purchaser and the seller. In
their own clean rework pipe material and the pipe produced
case of no prior agreement, any sample selected by the testing
shall meet all the requirements of this specification.
laboratory shall be deemed adequate.
7.3.1 Test Specimens—Not less than 50 % of the test
4.5 Potable Water Requirement—Products intended for con-
specimens required for any pressure test shall have at least a
tact with potable water shall be evaluated, tested and certified
partofthemarkingintheircentralsections.Thecentralsection
forconformancewithNSF/ANSIStandardNo.61orthehealth
is that portion of pipe which is at least one pipe diameter away
effects portion of NSF/ANSI Standard No. 14 by an acceptable
from an end closure.
certifyingorganizationwhenrequiredbytheregulatoryauthor-
ity having jurisdiction.
5. Pipe Classification
TABLE 1 Outside Diameters and Tolerances for ABS IPS
Dimensioned Pressure Pipe, in.
5.1 General—This specification covers ABS pipe produced
Tolerances
by single extrusion.
Nominal Maximum Out-of-Roundness
Outside
5.2 Standard Pipe Dimension Ratios (SDR)—This specifi-
Pipe
(Maximum –
Diameter
Size
cation covers ABS pipe in six standard dimension ratios,
Average Minimum
Diameter)
namely, 9, 11, 13.5, 17, 21, and 26. These are referred to as
⁄8 0.405 ±0.004 0.015
SDR9, SDR11, SDR13.5, SDR17, SDR21, and SDR26, re-
⁄4 0.540 ±0.004 0.015
spectively. The pressure rating is uniform for all nominal pipe
⁄8 0.675 ±0.004 0.030
sizes for a givenABS pipe material and SDR (see Table X1.1,
⁄2 0.840 ±0.004 0.030
⁄4 1.050 ±0.004 0.030
Appendix).
1 1.315 ±0.005 0.030
1- ⁄4 1.660 ±0.005 0.030
6. Requirements
1- ⁄2 1.900 ±0.006 0.060
2 2.375 ±0.006 0.060
6.1 Workmanship—The pipe shall be homogeneous
3 3.500 ±0.008 0.060
throughout and free of visible cracks, holes, foreign inclusions,
4 4.500 ±0.009 0.100
6 6.625 ±0.011 0.100
8 8.625 ±0.015 0.150
10 10.750 ±0.015 0.150
Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd.,Ann 12 12.750 ±0.015 0.150
Arbor, MI 48113-0140, http://www.nsf.org.
...




Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...