Form and Style for ASTM Standards - ASTM International

of Coals by Rank (Vol 05.06) defines classification
of higher rank coals according to fixed
carbon on a dry basis while lower rank coals are
classed according to caloric value on the moist
basis.
C10. Test Methods and Retest
C10.1 Properties enumerated in a classification
may be determined in accordance with specific
test methods. These methods should be
referenced in this portion of the document.
C10.2 Because of variability resulting from
sampling and a lack of satisfactory reproducibility,
and in instances when the first test results do
not conform to the requirements prescribed in this
classification, then a retest option may be provided.
C11. Keywords (Mandatory)
C11.1 In this section, identify the words,
terms, or phrases that best represent the technical
information presented in the standard. Select the
keywords from the title and body of the document
and include general, vernacular, and trade terms.
These keywords will be used in the preparation of
the ASTM Subject Index.
C11.2 Select three or more keywords that
describe the names of tests, procedures, special
materials, or the specific application(s) that will
facilitate the identification and retrieval of the
standard.
C11.3 All selected keywords shall be standalone
terms; the type of standard, incomplete
phrases, unattached adjectives, etc., shall not be
used.
C15. Description
C15.1 A standard practice is an accepted
procedure for the performance of one or more
operations or functions. In certain cases practices
may include one or more test methods necessary
for full use of the practice. Examples of practices
include selection, preparation, application,
inspection, necessary precautions for use or dis-
PRACTICES AND GUIDES
PRACTICES AND GUIDES
C-3
C12. Annexes and Appendixes
C12.1 Supplementary information is provided
herein to aid in understanding and using the
standard.
C12.2 Annexes (see A24.3).
C12.3 Appendixes (see A24.4).
C13. Examples
C13.1 Examples of classifications are:
D388 Classification of Coals by Rank
D3475 Classification of Child-Resistant Packages
C14. Summary of Changes
C14.1 If the committee chooses to provide a
Summary of Changes, place this unnumbered
section at the end of the standard and begin with
the following introductory paragraph:
Committee XXX has identified the location of selected
changes to this standard since the last issue (insert designation
and year date ) that may impact the use of this standard.
C14.2 Next list, by section or subsection,
changes made since the last issue that may impact
the use of the standard. Brief descriptions of the
changes and reasons for the changes may be
included.
C14.3 An example of the list of changes is:
(1) Deleted Section 5 and renumbered subsequent
sections.
(2) Updated precision statement in Section 10 to
reflect the results of a recent interlaboratory
study.
(3) Revised hardness requirements in Table 2.
(4) Revised Section 14 on Product Marking.
posal, installation, maintenance, and operation of
testing apparatus.
C15.2 A standard guide is a compendium of
information or series of options that does not
recommend a specific course of action. Guides
are intended to increase the awareness of information
and approaches in a given subject area.
Guides may propose a series of options or