ASTM D4982-20

Standard Test Methods for Flammability Potential Screening Analysis of Waste

SIGNIFICANCE AND USE
5.1 These test methods are intended for use by those in the waste management industries to aid in identifying the flammability potential or waste materials. In addition to the test methods described here, flash points specific to liquid waste can be determined according to Test Method D8174 or D8175.
SCOPE
1.1 These test methods are used to indicate the fire-producing or fire-sustaining potential of wastes. The following test methods can be applied to waste liquids, sludges, or solids:    
Sections  
Test Method A—Test Specimen Exposed to Heat and Flame  
8 – 10  
Test Method B—Test Specimen Exposed to Spark Source  
11 and 12  
1.2 This standard is used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions.  
1.3 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.  
1.4 These test methods are designed and intended as preliminary tests to complement quantitative analytical techniques that are useful to determine flammability. These test methods offer the option and the ability to screen waste for hazardous flammability potential when the analytical techniques are not available or the total waste composition is unknown.  
1.5 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.6 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. Specific hazard information is given in Section 6, 9.3.1, and 10.4.3.  
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 30-Nov-2020
• ICS: 13.030.40 - Installations and equipment for waste disposal and treatment
• Technical Committee: D34 - Waste Management
• Drafting Committee: D34.01.05 - Screening Methods

Relations

• Refers: ASTM D5681-23 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Nov-2023
• Refers: ASTM D5681-18 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Nov-2018
• Refers: ASTM D8174-18 - Standard Test Method for Finite Flash Point Determination of Liquid Wastes by Small-Scale Closed Cup Tester
• Effective Date: 15-Mar-2018
• Refers: ASTM D8175-18 - Standard Test Method for Finite Flash Point Determination of Liquid Wastes by Pensky-Martens Closed Cup Tester
• Effective Date: 15-Mar-2018
• Refers: ASTM D5681-17 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Sep-2017
• Refers: ASTM D5681-16a - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Nov-2016
• Refers: ASTM D5681-16 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Feb-2016
• Refers: ASTM D5681-13 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Feb-2013
• Refers: ASTM D5681-09 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Jul-2009
• Refers: ASTM D5681-08 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Sep-2008
• Refers: ASTM D5681-98a(2004)e1 - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Sep-2004
• Refers: ASTM D5681-98a(2004) - Standard Terminology for Waste and Waste Management
• Effective Date: 01-Sep-2004
• Refers: ASTM D5681-98ae1 - Standard Terminology for Waste and Waste Management
• Effective Date: 10-Jun-1998
• Refers: ASTM D5681-98a - Standard Terminology for Waste and Waste Management
• Effective Date: 10-Jun-1998

Overview

ASTM D4982-20: Standard Test Methods for Flammability Potential Screening Analysis of Waste establishes efficient procedures for assessing the flammability potential of waste materials. Developed by ASTM International, this standard is widely used in the waste management industry for preliminary screening of waste liquids, sludges, and solids to identify fire-producing or fire-sustaining characteristics under controlled laboratory conditions. ASTM D4982-20 is designed as a qualitative or semi-quantitative tool that helps organizations identify hazardous waste and supports compliance with safety and regulatory requirements.

Key Topics

• Scope of Application

  • Suitable for a wide range of waste types, including liquids, sludges, and solids.
  • Provides two primary test methods:
    • Test Method A – Exposure to Heat and Flame: Evaluates flammability by exposing a specimen to heat and open flame, observing ignition behavior.
    • Test Method B – Exposure to Spark Source: Uses a spark source to assess ignition from vapor above the sample.

• Limitations

  • The results are intended as preliminary screening and do not replace full fire hazard or risk assessments.
  • These methods are best used when analytical flammability data is unavailable, or the composition of waste is unknown.

• Safety Considerations

  • Emphasizes the inherently hazardous nature of fire testing.
  • Calls for proper laboratory hygiene, use of fume hoods, safe handling of volatile materials, and the implementation of appropriate personal protective equipment.

• Reporting and Quality Control

  • Requires standardized reporting, including sample identification, test date, method used, and result classification (positive or negative).
  • Encourages use of control samples and frequent calibration to ensure reliability of results.

• International Standardization

  • Developed following globally recognized standardization principles and aligned with WTO Technical Barriers to Trade (TBT) guidelines.

Applications

ASTM D4982-20 delivers practical value in numerous settings within the waste management sector:

• Waste Screening and Classification

  • Assists facilities in rapidly determining if waste materials may be classified as flammable or require special handling.
  • Supports decision-making for storage, transportation, and disposal by identifying potential fire hazards.

• Regulatory Compliance

  • Helps meet local, national, and international regulatory requirements on hazardous waste identification.
  • Supports documentation and audit trails for compliance inspections.

• Operational Safety

  • Enhances workplace safety by providing critical information on waste flammability, aiding in the development of safe handling protocols.
  • Allows for early detection of high-risk materials, preventing fire incidents and improving emergency response planning.

• Supplement to Analytical Methods

  • Offers a rapid, cost-effective initial assessment, especially in situations where the waste composition is uncertain or where advanced analytical flash point testing (e.g., ASTM D8174/D8175) is unavailable.

Related Standards

ASTM D4982-20 references and works in conjunction with several other ASTM standards within the waste management and safety domains:

• ASTM D5681 – Terminology for Waste and Waste Management
• ASTM D8174 – Finite Flash Point Determination of Liquid Wastes by Small-Scale Closed Cup Tester
• ASTM D8175 – Finite Flash Point Determination of Liquid Wastes by Pensky-Martens Closed Cup Tester

Other relevant standards may include fire testing and hazardous material handling guides established by ASTM and international agencies.

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Keywords: ASTM D4982, flammability potential, waste flammability screening, waste management standard, fire hazard assessment, hazardous waste, laboratory safety, preliminary waste classification, spark ignition test, heat exposure test

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D4982 − 20
Standard Test Methods for
Flammability Potential Screening Analysis of Waste
This standard is issued under the fixed designation D4982; 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* ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
1.1 These test methods are used to indicate the fire-
mendations issued by the World Trade Organization Technical
producing or fire-sustaining potential of wastes. The following
Barriers to Trade (TBT) Committee.
test methods can be applied to waste liquids, sludges, or solids:
Sections
2. Referenced Documents
Test Method A—Test Specimen Exposed to Heat and 8–10
Flame
2.1 ASTM Standards:
Test Method B—Test Specimen Exposed to Spark Source 11 and 12
D5681 Terminology for Waste and Waste Management
1.2 This standard is used to measure and describe the
D8174 Test Method for Finite Flash Point Determination of
responseofmaterials,products,orassembliestoheatandflame
Liquid Wastes by Small-Scale Closed Cup Tester
under controlled conditions, but does not by itself incorporate
D8175 Test Method for Finite Flash Point Determination of
all factors required for fire hazard or fire risk assessment of the
Liquid Wastes by Pensky-Martens Closed Cup Tester
materials, products, or assemblies under actual fire conditions.
3. Terminology
1.3 Fire testing is inherently hazardous. Adequate safe-
guards for personnel and property shall be employed in 3.1 For definitions of terms used in these test methods, refer
conducting these tests. to Terminology D5681.
1.4 These test methods are designed and intended as pre- 3.2 Definitions of Terms Specific to This Standard:
3.2.1 screening analysis—a preliminary qualitative or semi-
liminary tests to complement quantitative analytical techniques
that are useful to determine flammability. These test methods quantitative test that is designed to efficiently give the user
offer the option and the ability to screen waste for hazardous specific information about a waste that will aid in determining
flammability potential when the analytical techniques are not waste identification, process compatibility, and safety in han-
available or the total waste composition is unknown. dling.
1.5 Units—The values stated in either SI units or inch-
4. Summary of Test Methods
pound units are to be regarded separately as standard. The
4.1 Method A—A test specimen is exposed to heat and
values stated in each system are not necessarily exact equiva-
flame. The sample is reported as having a positive or negative
lents; therefore, to ensure conformance with the standard, each
flammability potential as described in the test procedure.
system shall be used independently of the other, and values
from the two systems shall not be combined.
4.2 Method B—Sparks from a flint lighter are introduced to
the vapor space immediately above a representative specimen
1.6 This standard does not purport to address all of the
of a waste, and observation is made for a flash in the vapor
safety concerns, if any, associated with its use. It is the
space or ignition of the specimen.Aflash in the vapor space or
responsibility of the user of this standard to establish appro-
ignition and burning of the waste indicates a positive flamma-
priate safety, health, and environmental practices and deter-
bility potential at ambient temperature.
mine the applicability of regulatory limitations prior to use.
Specific hazard information is given in Section 6, 9.3.1, and
5. Significance and Use
10.4.3.
1.7 This international standard was developed in accor-
5.1 These test methods are intended for use by those in the
dance with internationally recognized principles on standard- waste management industries to aid in identifying the flamma-
bility potential or waste materials. In addition to the test
These test methods are under the jurisdiction of ASTM Committee D34 on
Waste Management and is the direct responsibility of Subcommittee D34.01.05 on
Screening Methods. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Dec. 1, 2020. Published January 2021. Originally contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
approved in 1989. Last previous edition approved in 2012 as D4982 – 12. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/D4982-20. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D4982 − 20
methods described here, flash points specific to liquid waste ciently aerated flame) that introduces unburnt gas into or
can be determined according to Test Method D8174 or D8175. immediately above the sample. This unburnt gas will briefly
support a flame after the source of ignition is removed,
6. Hazards
providing the appearance of a flammable sample.
6.1 Avoid inhalation, skin and eye contact of any hazardous
8.6 Separation of materials within a sample will result in a
materials.
non-representative specimen from the sample. Sufficient agi-
tation of the sample before selecting a test specimen will
6.2 Standard laboratory hygiene practices shall be followed
typically resolve this problem.
when conducting these tests.
6.3 All tests must be performed in a laboratory hood.
9. Apparatus
6.4 Waste containing or suspected of containing highly
9.1 Gas Burner, (for example, a bunsen burner) with an
volatile organics or peroxides shall be tested using a smaller
adjustable air shutter and an adjustable gas orifice is needed.
specimen than that used in 10.2.
The gas burner and fuel supply line must be appropriate to the
6.5 Thealuminumweighingboatshallbeplacedonaninert,
gas supplied: natural gas, artificial gas (including propane and
nonflammable surface.
butane), or liquified petroleum gas (LP gas or LPG). Where a
gas supply line cannot be provided, a propane torch is an
7. Sampling
appropriate substitute.
7.1 Sample containers must be kept tightly sealed until
9.2 Lighter, (for example, piezo lighter) for the burner is
tested.
required.
7.2 Samples shall be analyzed as soon as possible after
9.3 Aluminum Weighing Boats or other nonflammable con-
collection.
tainers are used.
7.3 If necessary, allow the sample to come to room tem-
9.3.1 Warning—Weighing boats composed of material
perature in a tightly sealed container. For example, frozen
other than aluminum shall be used if the tested materials react
material shall be allowed to thaw to room temperature.
with aluminum, for example, caustics.
9.4 Watch Glass.
TEST METHOD A—EXPOSURE TO HEAT AND
FLAME
9.5 Large Beaker, Tongs, Asbestos-Free High-Temperature
Gloves or Mittens, or other apparatus as needed to extinguish
8. Interferences
burning materials.
8.1 Drafts in the laboratory fume hood where the test is
performed have the potential to cause cooling and false 10. Procedure
negative results. A properly operating fume hood with a face
10.1 Light a gas burner and adjust to a typically blue flame
velocity of 100 ft/min typically provides consistent, usable
that is not readily blown out.Ayellow flame easily affected by
results.
drafts indicates insufficient air (the air/fuel ratio is too low). A
8.2 Ignition sources that provide excessive heating rates sharp, blue flame is ideal. (If the flame rises above the burner
alone or combined with a very small test specimen have the head, is very difficult to light, or tends to extinguish itself, this
potential to obscure results. That is, it is feasible that the indicates that too much air or too much air and fuel are being
sample will be decomposed, sintered, fused, evaporated, or supplied to the burner.)
otherwise con
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D4982 − 12 D4982 − 20
Standard Test Methods for
Flammability Potential Screening Analysis of Waste
This standard is issued under the fixed designation D4982; 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 Scope*
1.1 These test methods are used to indicate the fire-producing or fire-sustaining potential of wastes. The following test methods
can be applied to waste liquids, sludges, or solids:
Sections
Test Method A—Test Sample Exposed to Heat and Flame 7 – 9
Test Method A—Test Specimen Exposed to Heat and 8 – 10
Flame
Test Method B—Test Sample Exposed to Spark Source 10 and 11
Test Method B—Test Specimen Exposed to Spark Source 11 and 12
1.2 These test methods should be This standard is used to measure and describe the propertiesresponse of materials, in response
products, or assemblies to heat and flame under controlled laboratory conditions and should not be used to describe or appraise
theconditions, but does not by itself incorporate all factors required for fire hazard or fire risk of materials assessment of the
materials, products, or assemblies under actual fire conditions. However, results of these tests may be used in addition to all other
factors that are pertinent to a fire hazard assessment of a particular end use.
1.3 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these
tests.
1.4 These test methods are designed and intended as preliminary tests to complement quantitative analytical techniques that may
be used are useful to determine flammability. These test methods offer the option and the ability to screen waste for hazardous
flammability potential when the analytical techniques are not available or the total waste composition is unknown.
1.5 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in
each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used
independently of the other, and values from the two systems shall not be combined.
1.6 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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use. Specific hazard information is given in Section 56, 8.3.19.3.1, and 9.4.310.4.3.
1.7 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
These test methods are under the jurisdiction of ASTM Committee D34 on Waste Management and is the direct responsibility of Subcommittee D34.01.05 on Screening
Methods.
Current edition approved Sept. 1, 2012Dec. 1, 2020. Published December 2012January 2021. Originally approved in 1989. Last previous edition approved in 20072012
as D4982 – 95D4982 – 12.(2007). DOI: 10.1520/D4982-12.10.1520/D4982-20.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D4982 − 20
2. Referenced Documents
2.1 ASTM Standards:
D5681 Terminology for Waste and Waste Management
D8174 Test Method for Finite Flash Point Determination of Liquid Wastes by Small-Scale Closed Cup Tester
D8175 Test Method for Finite Flash Point Determination of Liquid Wastes by Pensky-Martens Closed Cup Tester
3. Terminology
3.1 For definitions of terms used in these test methods, refer to Terminology D5681.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 screening analysis—a preliminary qualitative or semiquantitative test that is designed to efficiently give the user specific
information about a waste that will aid in determining waste identification, process compatibility, and safety in handling.
4. Summary of Test Methods
4.1 Method A—A test samplespecimen is exposed to heat and flame. The sample is reported as having a positive or negative
flammability potential as described in the test procedure.
4.2 Method B—Sparks from a flint lighter are introduced to the vapor space immediately above a representative samplespecimen
of a waste, and observation is made for a flash in the vapor space or ignition of the sample.specimen. A flash in the vapor space
or ignition and burning of the waste indicates a positive flammability potential at ambient temperature.
5. Significance and Use
5.1 These test methods are intended for use by those in the waste management industries to aid in identifying the flammability
potential or waste materials. In addition to the test methods described here, flash points specific to liquid waste can be determined
according to Test Method D8174 or D8175.
6. Hazards
6.1 Avoid inhalation and inhalation, skin or eye contact, or both, and eye contact of any hazardous materials.
6.2 Standard laboratory hygiene practices shouldshall be followed when conducting these tests.
6.3 All tests must be performed in a laboratory hood.
6.4 Waste containing or suspected of containing highly volatile organics or peroxides shouldshall be tested using a much smaller
samplespecimen than that used in 9.210.2.
6.5 The aluminum weighing boat shouldshall be placed on an inert, nonflammable surface.
7. Sampling
7.1 Sample containers must be kept tightly sealed until tested.
7.2 Samples shouldshall be analyzed as soon as possible after collection.
7.3 If necessary, allow the sample to come to room temperature in a tightly sealed container. For example, frozen material
shouldshall be allowed to thaw completely.to room temperature.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
D4982 − 20
TEST METHOD A—EXPOSURE TO HEAT AND FLAME
8. Interferences
8.1 Drafts in the laboratory fume hood where the test is performed could cause excessive have the potential to cause cooling and
false negative results. A properly operating fume hood with a face velocity of 100 ft/min should providetypically provides
consistent, usable results.
8.2 Ignition sources that provide excessive heating rates alone or combined with a very small test portion may specimen have the
potential to obscure results. That is, it is feasible that the sample maywill be decomposed, sintered, fused, evaporated, or otherwise
consumed before positive or negative evidence of flammability is observed. The use of sufficiently large test portionsspecimens
and of heating rates typical of a bunsen burner should is likely to resolve this problem.
8.3 An inadequate source of heating couldwill limit the volatilization of flammable components and provide false negative results.
8.4 Difficult-to-observe flames resulting The potential exists for false negative results from difficult-to-observe flames that result
from the burning of certain compounds (for example, methanol) could provide false negative results. methanol). If the presence
of these compounds is suspected, the presence of flammability mightshall be confirmed by the insertion of a watchglass watch glass
just above the test material. The watchglass watch glass is then examined for combustion products of combustion (for example,
moisture and soot).
NOTE 1—The watchglass watch glass method cannot distinguish between vaporized water or water produced by combustion.
8.5 An The potential exists for false positive results from an improperly adjusted gas burner (for example, with an insufficiently
aerated flame) could introducethat introduces unburnt gas into or immediately above the sample. This unburnt gas couldwill briefly
support a flame after the source of ignition is removed, providing the appearance of a flammable sample and a false positive
result.sample.
8.6 Separation of materials within a sample will result in a non-representative specimen from the sample. Sufficient agitation of
the sample before selecting a test specimen will typically resolve this problem.
9. Apparatus
9.1 Gas Burner, (for example, a bunsen burner) with an adjustable air shutter and an adjustable gas orifice is needed. The gas
burner and fuel supply line must be appropriate to the gas supplied: natural gas,
...