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ASTM D5232-92(2008)

(Test Method)

Standard Test Method for Determining the Stability and Miscibility of a Solid, Semi-Solid, or Liquid Waste Material

Standard Test Method for Determining the Stability and Miscibility of a Solid, Semi-Solid, or Liquid Waste Material

SIGNIFICANCE AND USE
This test method will identify waste materials that are potentially unstable when they come in contact with other materials at a waste treatment or disposal site.
This test method will serve to determine the miscibility of waste materials with various media, including other wastes.
This test method may not be applicable to all wastes. The appropriateness of these tests depends upon the proposed management of the waste.
Since the initiation of some chemical reactions are slow to take place, the user may wish to establish reagent-to-waste contact times prior to observing the mixes for any reactions.
SCOPE
1.1 This test method is designed to determine whether a waste material reacts when it is mixed with air, water, strong acid, strong base, an oil/solvent mixture, other waste mixtures, or solid media such as a geological formation or solidification agents.
1.2 The miscibility of the waste material with the above media can also be defined.
Note 1—The following ASTM standards provide supplemental information: Test Methods D 4978, D 4979, D 4980, D 4981, D 4982, D 5049, D 5057, and D 5058.  
1.3 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 and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 7.

General Information

Status
Historical
Publication Date
31-Jan-2008
ICS
13.030.10 - Solid wastes
Technical Committee
D34 - Waste Management
Drafting Committee
D34.01.06 - Analytical Methods
Current Stage
Ref Project

Relations

Replaces
ASTM D5232-92(2003) - Standard Test Method for Determining the Stability and Miscibility of a Solid, Semi-Solid, or Liquid Waste Material
Effective Date
01-Feb-2008
Replaced By
ASTM D5232-13 - Standard Test Method for Determining the Stability and Miscibility of a Solid, Semi-Solid, or Liquid Waste Material
Effective Date
01-Apr-2013

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ASTM D5232-92(2008) - Standard Test Method for Determining the Stability and Miscibility of a Solid, Semi-Solid, or Liquid Waste MaterialASTM D5232-92(2008) - Standard Test Method for Determining the Stability and Miscibility of a Solid, Semi-Solid, or Liquid Waste Material
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ASTM D5232-92(2008) - Standard Test Method for Determining the Stability and Miscibility of a Solid, Semi-Solid, or Liquid Waste Material
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D5232 − 92 (Reapproved2008)
Standard Test Method for
Determining the Stability and Miscibility of a Solid, Semi-
1
Solid, or Liquid Waste Material
This standard is issued under the fixed designation D5232; 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 D5049 Test Method for Screening Cyanides InWaste (With-
3
drawn 1999)
1.1 This test method is designed to determine whether a
D5057 TestMethodforScreeningApparentSpecificGravity
waste material reacts when it is mixed with air, water, strong
and Bulk Density of Waste
acid, strong base, an oil/solvent mixture, other waste mixtures,
D5058 Practices for Compatibility of Screening Analysis of
or solid media such as a geological formation or solidification
Waste
agents.
1.2 The miscibility of the waste material with the above
3. Summary of Test Method
media can also be defined.
3.1 The stability and miscibility of a waste material are
NOTE 1—The following ASTM standards provide supplemental infor-
observed when the waste is mixed with various media.
mation: Test Methods D4978, D4979, D4980, D4981, D4982, D5049,
D5057, and D5058.
4. Significance and Use
1.3 This standard does not purport to address all of the
4.1 This test method will identify waste materials that are
safety concerns, if any, associated with its use. It is the
potentially unstable when they come in contact with other
responsibility of the user of this standard to establish appro-
materials at a waste treatment or disposal site.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. For specific hazard
4.2 This test method will serve to determine the miscibility
statements, see Section 7.
of waste materials with various media, including other wastes.
4.3 This test method may not be applicable to all wastes.
2. Referenced Documents
The appropriateness of these tests depends upon the proposed
2
2.1 ASTM Standards:
management of the waste.
D1193 Specification for Reagent Water
4.4 Since the initiation of some chemical reactions are slow
D4978 Test Methods for Screening of Reactive Sulfides in
to take place, the user may wish to establish reagent-to-waste
Waste
contact times prior to observing the mixes for any reactions.
D4979 Test Method for Physical Description Screening
Analysis in Waste
5. Apparatus and Materials
D4980 Test Methods for Screening of pH in Waste (With-
3
drawn 2009)
5.1 Disposable Cups, minimum 40-mL total volume. Select
D4981 Test Method for Screening of Oxidizers in Waste
plastics or other materials compatible with the reagents in-
D4982 Test Methods for Flammability Potential Screening
volved.
Analysis of Waste
5.2 Stirring Rods, Spatulas, Disposal Droppers, Watch
Glasses, and so forth.
1 5.3 Other waste materials to be evaluated with the test
This test method is under the jurisdiction of ASTM Committee D34 on Waste
Management and is the direct responsibility of Subcommittee D34.01.06 on
sample.
Analytical Methods.
5.4 Solid Media, to be evaluated with the test sample.
Current edition approved Feb. 1, 2008. Published March 2008. Originally
approved in 1992. Last previous edition approved in 2003 as D5232 – 92 (2003).
DOI: 10.1520/D5232-92R08.
6. Reagents
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6.1 Purity of Water—The deionized water used to prepare
Standards volume information, refer to the standard’s Document Summary page on
the aqueous test solutions should conform to the conductivity
the ASTM website.
3
specifications ofASTMType II water as found in Specification
The last approved version of this historical standard is referenced on
www.astm.org. D1193.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5232 − 92 (2008)
6.2 Hydrochloric Acid (HCl) Test Solution, carefully mix 8.4.1 Take a 10-mL aliquot of the well mixed liquid waste
100 g of reagent grade hydrochloric acid (;36 %) with 900 g sample and place it in a 40-mL plastic cup. For dry waste or
of deionized water. sludges, fill to the 10-mL mark.
8.4.2 Slowly and carefully add 10-mL of the HCl test
6.3 Sodium Hydroxide (NaOH) Test Solution, carefully mix
solution or up to 10-mL until a reaction is observed. If no
200 g of reagent grade sodium hydroxide solution (;50 %)
reaction is observed after the addition of 10-mL, then carefully
with 800 g of deionized water.
mix the HCl solution with the sample until it is evenl
...

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4.1.2 Identify solutes in the effluent that represent dissolved weathering products formed during a specified period of time, and inform the user of their potential to produce environmental impacts at a mining or metallurgical processing site under proposed operating conditions;  
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4.1.5 These approaches are based on the existence of detailed mineralogical work and static tests that provide a basis for interpreting HCT results.  
4.1.6 Detailed mineralogical work might lead a reviewer to suspect either acid neutralization potential (ANP) or acid generation potential (AGP) minerals have questionable availability, which would be a significant factor in interpreting HCT results and decisions concerning test duration.  
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4.2.1 Determine the variation of drainage quality as a function of compositional variations (for example, iron sulfide and calcium plus magnesium carbonate contents) within individual mine rock lithologies;  
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1.1.1 Cooperative management of the testing involves agreement of stakeholders in defining the objectives of the testing, analytical requirements, planning the initial estimate of duration of the testing, and discussion of the results at decision points to determine if the testing period needs to be extended and the disposition of the residues.  
1.2 The humidity cell test (HCT) enhances reaction product transport in the aqueous leach of a solid material sample of specified mass. Standard conditions allow comparison of the relative reactivity of materials during interpretation of results.  
1.3 The HCT measures rates of weathering product mass release. Soluble weathering products are mobilized by a fixed-volume aqueous leach that is performed and collected weekly. Leachate samples are analyzed for pH, alkalinity/acidity, specific conductance, sulfates, and other selected analytes which may be regulated in the environmental drainage at a particular mining or metallurgical processing site.  
1.4 This guide covers the interpretation of standard humidity cell tests conducted to obtain results for the following objectives:    
Guide and Objective  
Sections  
A – Confirmation of Static Testing Results  
5 – 6  
B – Evaluation of Reactivity and Leachate Quality
for Segregating Mine, Processing Waste, or
Ore  
7 – 8  
C – Evaluation of Quality of Neutralization
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1.1 This practice describes the partial digestion of solid waste using nitric acid for the subsequent determination of the total recoverable content of inorganic constituents.  
1.2 This practice is to be used when the concentrations of total recoverable elements are to be determined from a waste sample. Total recoverable elements are often not equivalent to total elemental content, because of the solubility of the speciated forms of the element in the sample matrix. Recovery from refractory sample matrices, such as soils, is usually significantly less than total concentrations of the elements present.  
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1.3 This practice has been divided into two methods, A and B, with Method A utilizing an electric hot plate and Method B utilizing an electric digestion block.  
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.5 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.  
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