ASTM D5451-93
(Practice)Standard Practice for Sampling Using a Trier Sampler
Standard Practice for Sampling Using a Trier Sampler
SCOPE
1.1 This practice covers sampling using a trier. A trier resembles an elongated scoop as shown in Fig. 1. The trier is used to collect samples of granular or powdered materials that are moist or sticky and have a particle diameter less than one-half the diameter of the trier.
1.2 The trier can be used as a vertical coring device only when it is certain that a relatively complete and cylindrical sample can be extracted.
1.3 This standard does not purport to address all of the safety problems, 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.
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Designation: D 5451 – 93
Standard Practice for
Sampling Using a Trier Sampler
This standard is issued under the fixed designation D 5451; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This practice covers sampling using a trier. A trier
resembles an elongated scoop as shown in Fig. 1. The trier is
used to collect samples of granular or powdered materials that
are moist or sticky and have a particle diameter less than
one-half the diameter of the trier.
1.2 The trier can be used as a vertical coring device only
when it is certain that a relatively complete and cylindrical
sample can be extracted.
1.3 This standard does not purport to address all of the
safety problems, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
D 4687 Guide for General Planning of Waste Sampling
D 5088 Practice for the Decontamination of Field Equip-
ment Used at Non-Radioactive Waste Sites
D 5283 Practice for Generation of Environmental Data
Related to Waste Management Activities: Quality Assur-
ance and Quality Control Planning and Implementation
3. Summary of Practice
3.1 As a coring device, the trier is pushed into the material
FIG. 1 Triers (Typical)
to be sampled and is turned to cut the core. The core is then
environmental field operations.
removed from the hole.
5. Sampling Equipment
4. Significance and Use
5.1 The trier should be made from materials that are
4.1 This practice is applicable to sampling soils and similar
compatible with the substances being sampled and with the
fine-grained cohesive materials. This practice is to be used by
tests or analyses to be performed. Either stainless steel or
personnel who are to acquire the samples.
polytetrafluoroethylene-coated metal will be suitable for most
4.2 This practice should be used in conjunction with Guide
situations (see Fig. 1).
D 4687, which covers sampling plans, safety, quality assur-
ance, preservation, decontamination, labeling, and chain-of-
6. Sample Containers
custody procedures; Practice D 5088, which covers the decon-
6.1 Plastic, glass, or other nonreactive containers should be
tamination of field equipment used at waste sites; and Practice
used. Refer to Guide D 4687 for further information on
D 5283, which covers project specifications and practices for
containers.
7. Procedure
This practice
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