ASTM D5284-93(2004)
(Test Method)Standard Test Method for Sequential Batch Extraction of Waste with Acidic Extraction Fluid
Standard Test Method for Sequential Batch Extraction of Waste with Acidic Extraction Fluid
SCOPE
1.1 This test method provides a procedure for the sequential leaching of a waste containing at least 5 % dry solids in order to generate solutions to be used to determine the constituents leached under the specified testing conditions.
1.2 This test method calls for the shaking of a known weight of waste with acidic extraction fluid of a specified composition as well as the separation of the liquid phase for analysis. The pH of the extraction fluid is to reflect the pH of acidic precipitation in the geographic region in which the waste being tested is to be disposed. The procedure is conducted ten times in sequence on the same sample of waste, and it generates ten solutions.
1.3 This test method is intended to describe the procedure for performing sequential batch extractions only. It does not describe all types of sampling and analytical requirements that may be associated with its application.
1.4 The values stated in SI units are to be regarded as the standard.
1.5 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 5284 – 93 (Reapproved 2004)
Standard Test Method for
Sequential Batch Extraction of Waste with Acidic Extraction
1
Fluid
This standard is issued under the fixed designation D 5284; 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 D 1193 Specification for Reagent Water
D 2234 Test Methods for Collection of a Gross Sample of
1.1 This test method provides a procedure for the sequential
Coal
leaching of a waste containing at least 5 % dry solids in order
D 2777 Practice for Determination of Precision and Bias of
to generate solutions to be used to determine the constituents
Methods of Committee D-19 on Water
leached under the specified testing conditions.
D 3370 Practices for Sampling Water
1.2 This test method calls for the shaking of a known weight
D 4793 Test Method for Sequential Batch Extraction of
of waste with acidic extraction fluid of a specified composition
Waste with Water
as well as the separation of the liquid phase for analysis. The
pH of the extraction fluid is to reflect the pH of acidic
3. Terminology
precipitation in the geographic region in which the waste being
3.1 Definitions—For definitions of terms used in this test
tested is to be disposed. The procedure is conducted ten times
method, see Terminology D 1129.
in sequence on the same sample of waste, and it generates ten
3.2 Symbols:Symbols—Variables listed in this test method
solutions.
are defined in the individual sections in which they are
1.3 This test method is intended to describe the procedure
discussed. A list of the defined variables is also provided in
for performing sequential batch extractions only. It does not
Section 11.
describe all types of sampling and analytical requirements that
may be associated with its application.
4. Significance and Use
1.4 The values stated in SI units are to be regarded as the
4.1 This test method is intended as a means for obtaining
standard.
sequential extracts of a waste. The extracts may be used to
1.5 This standard does not purport to address all of the
estimate the release of certain constituents of the waste under
safety problems, if any, associated with its use. It is the
the laboratory conditions described in this test method.
responsibility of the user of this standard to establish appro-
4.2 The pH of the extraction fluid used in this test method is
priate safety and health practices and determine the applica-
to reflect the pH of acidic precipitation in the geographic region
bility of regulatory limitations prior to use.
in which the waste being tested is to be disposed.
2. Referenced Documents
NOTE 1—Possible sources of information concerning the pH of precipi-
2
2.1 ASTM Standards: tation in the geographic region of interest include state and federal
environmental agencies, state universities, libraries, etc.
D 75 Practice for Sampling Aggregates
NOTE 2—For sequential batch extraction of waste using a nonacidic
D 420 Guide to Site Characterization for Engineering, De-
extraction fluid, see Test Method D 4793.
sign and Construction Purposes
4.3 An intent of this test method is for the final pH of each
D 653 Terminology Relating to Soil, Rock, and Contained
of the extracts to reflect the interaction of the extractant with
Fluids
the buffering capacity of the waste.
D 1129 Terminology Relating to Water
4.4 This test method is not intended to provide extracts that
are representative of the actual leachate produced from a waste
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This test method is under the jurisdiction of ASTM Committee D34 on Waste
in the field or to produce extracts to be used as the sole basis
Management and is the direct responsibility of Subcommittee D34.01.04 on
of engineering design.
Ancillary Topics.
4.5 This test method has not been demonstrated to simulate
Current edition approved Sept. 15, 1993. Published November 1993. Originally
published as D 5284–92. Last previous edition D 5284–92.
actual disposal site leaching conditions.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.6 This test method produces extracts that are amenable to
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
the determination of both major and minor (trace) constituents.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. When minor constituents are being determined, it is especially
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D 5284 – 93 (2004)
important that precautions be taken in sample st
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