Copyright © 2022 American Association of Textile Chemists and Colorists
4 AATCC Manual of International Test Methods and Procedures/2023
HE standards in this volume of the Manual of Interna-
Ttional Test Methods and Procedures were current as of
July 2022. New standards that have been added and other
important changes made since the last volume are summarized
on page 18.
AATCC standards are developed by research committees
through extensive investigations and interlaboratory compar-
isons, often covering several years of work. Simplicity, re-
producibility, applicability, cost of performing the test and
the time required to perform the test are all important consid-
erations in each development.
Before a standard is published in the Manual of Inter-
national Test Methods and Procedures, it must be approved
by the responsible research committee and the Technical
Committee on Research (TCR).
During the first three years of publication, each new stan-
dard is reviewed annually, at which time, on recommenda-
tion of the research committee and approval by TCR, it may
be reaffirmed, revised or withdrawn. After the first three
years, each standard is reviewed at least once every five
years by the research committee, and following approval by
TCR, may be reaffirmed, revised or withdrawn. The record
of these actions is published in an activity history at the
beginning or end of each standard.
An important feature of all AATCC test methods is that
test results are numerically quantified. Methods do not in-
clude pass/fail criteria for materials or processes. AATCC
policy prohibits endorsement of such specifications, require-
ments, or acceptance criteria. These must be agreed upon by
the interested parties.
Each standard is designated by AATCC, then the letters
TM, LP, EP, or M as appropriate, a number (no space), a
dash, and the four-digit year of the latest revision. Additional
technical changes within the same year are signified by a
small “t” following the year. Reaffirmations—with no
changes—are signified by a year in parentheses following
the year of latest revision. Editorial changes are signified by
a small “e” following the year. The designation should be
quoted in full in referring to a standard, as for example,
TM90-2011(2016)e.
AATCC M12-2020, Style Guide for Writing Test Methods
and Procedures (page 521) is the defining document used by
research committees in writing these methods. M13-2017e,
Rules of Procedure for AATCC Test Method and Technol-
ogy Committees (page 528) is the defining document for the
organization and functioning of these research committees.
Prior to 1969, the Manual of International Test Methods
and Procedures also contained the Buyer’s Guide and the
AATCC Membership Directory, now both available online.
The general content of the Manual of International Test
Methods and Procedures has continued unchanged since
1969.
Major changes in layout of the Manual of International
Test Methods and Procedures were made in 1985 as follows:
(1) indexes were grouped at the front of the book; (2) test
methods were arranged in numerical order; (3) A Glossary of
AATCC Standard Terminology was added and (4) the
AATCC Style Guide for Writing Test Methods and Proce-
dures was added.
In 1989, evaluation procedures were listed immediately
after the test methods.
In 2012, monographs were given number designations and
were included as a separate item in the numerical and topical
indexes for easy access.
In 2019, laboratory procedures were listed between test
methods and evaluation procedures. The glossary and style
guide were numbered as monographs.
In 2020, the official designations and titles for all stan-
dards were updated.
In 2021, new, revised, reaffirmed, editorially revised, and
editorially revised and reaffirmed methods were aligned to
the AATCC style guidelines. The official title was changed
from Technical Manual of the American Association of Tex-
tile Chemists and Colorists to the American Association of
Textile Chemists and Colorists Manual of International Test
Methods and Procedures.
Preface
RA99, TECHNICAL MANUAL EDITORIAL REVIEW COMMITTEE
Norma Keyes, Chair
Adi B. Chehna
Karen Dickerman
Heather Elliot
Angela Massengill
Shawn Meeks
Erika Simmons
Adam Varley
Diana Wyman
Copyright The American Association of Textile Chemists and Colorists
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