Standard Test Method for Effects of Gamma Radiation on Coatings for Use in Nuclear Power Plants

SIGNIFICANCE AND USE
4.1 This test method is designed to provide a uniform test to assess the suitability of coatings, used in nuclear power facilities, under radiation exposure for the life of the facilities, including radiation during a DBA (Coating Service Level I areas only). Specific plant radiation exposure may exceed or be less than the amount specified in 7.2 of this standard. If required by the licensee design basis, the gamma dose used may exceed the actual anticipated plant gamma dose to account for beta dose. Coatings in Level II and III areas (outside primary containment) are expected to be exposed to lower accumulated radiation doses.
SCOPE
1.1 This test method covers a standard procedure for evaluating the lifetime radiation tolerance of coatings to be used in nuclear power plants. This test method is applicable to Coating Service Levels I, II, and III.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 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
31-Mar-2023

Relations

Effective Date
01-Oct-2019
Effective Date
01-Oct-2019
Effective Date
01-Jun-2019
Effective Date
01-Sep-2018
Effective Date
01-Nov-2013
Effective Date
01-Jul-2012
Effective Date
01-Nov-2011
Effective Date
01-Nov-2011
Effective Date
01-Nov-2011
Effective Date
15-Apr-2010
Effective Date
01-Jul-2009
Effective Date
01-Dec-2006
Effective Date
01-Dec-2005
Effective Date
01-Sep-2005
Effective Date
01-Sep-2005

Overview

ASTM D4082-10(2023): Standard Test Method for Effects of Gamma Radiation on Coatings for Use in Nuclear Power Plants establishes a uniform procedure for evaluating the radiation tolerance of coatings intended for use in nuclear power facilities. Developed by ASTM International, this standard helps assess whether protective coatings are suitable for continued use in environments exposed to gamma radiation over a facility's operational life, including scenarios involving design basis accidents (DBA). The test method applies to coatings used in Service Levels I, II, and III within nuclear power plants.

This standard promotes reliability and safety in nuclear power plant operations by ensuring that structural and protective coatings can withstand the radiation environments typical of primary containment and associated areas.

Key Topics

  • Gamma Radiation Exposure: Specifies procedures to test the ability of coatings to resist deterioration under gamma radiation, simulating conditions found in nuclear power plants.
  • Service Levels: Covers Service Level I (primary containment or DBA zones), and extends the approach to Service Levels II and III, where radiation exposure is lower.
  • Test Conditions and Sample Preparation: Details the use of steel panels and concrete blocks as substrates, prepared according to referenced ASTM specifications.
  • Irradiation Procedures: Establishes minimum dose rates and cumulative gamma doses for specimen testing, with scope to adjust parameters per plant design or licensee requirements.
  • Defect Examination: Outlines examination for issues such as chalking, checking, cracking, blistering, flaking, and delamination after exposure, referencing other ASTM coating test methods.
  • Acceptance and Documentation: Emphasizes that acceptance criteria are set by the licensee, with full records of procedures, conditions, and observations required for each test.

Applications

ASTM D4082-10(2023) is practically valuable across the nuclear energy sector, particularly for:

  • Qualification of Coatings: Ensuring that coatings selected for new or refurbished nuclear facilities are radiation-tolerant and meet plant-specific safety requirements.
  • Periodic Assessment: Supporting ongoing maintenance by allowing for assessment and comparison of protective coatings’ performance in service.
  • License and Regulatory Compliance: Facilitating consistent testing and reporting procedures that help demonstrate compliance with regulatory bodies and international nuclear safety guidelines.
  • Design Basis Accident Preparedness: Assuring that coatings in critical containment areas will maintain their protective and structural function during and after radiation events.

Organizations involved in the design, construction, operation, or maintenance of nuclear power plants, as well as coating manufacturers, testing laboratories, and regulatory authorities, will benefit from adopting this standard in their quality assurance processes.

Related Standards

Reference to other ASTM standards is integral for holistic compliance:

  • ASTM D659: Method for Evaluating Degree of Chalking of Exterior Paints
  • ASTM D660: Test Method for Evaluating Degree of Checking of Exterior Paints
  • ASTM D661: Test Method for Evaluating Degree of Cracking of Exterior Paints
  • ASTM D714: Test Method for Evaluating Degree of Blistering of Paints
  • ASTM D772: Test Method for Evaluating Degree of Flaking (Scaling) of Exterior Paints
  • ASTM D4538: Terminology Relating to Protective Coating and Lining Work for Power Generation Facilities
  • ASTM D5139: Specification for Sample Preparation for Qualification Testing of Coatings to be Used in Nuclear Power Plants

These referenced methods support a comprehensive assessment of coating integrity and performance, ensuring all critical aspects of gamma radiation effects are evaluated according to industry best practices.

Keywords: gamma radiation effects, nuclear power plant coatings, radiation tolerance, ASTM D4082, irradiation test method, coating qualification, Service Level I, design basis accident, protective coatings, regulatory compliance.

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Frequently Asked Questions

ASTM D4082-10(2023) is a standard published by ASTM International. Its full title is "Standard Test Method for Effects of Gamma Radiation on Coatings for Use in Nuclear Power Plants". This standard covers: SIGNIFICANCE AND USE 4.1 This test method is designed to provide a uniform test to assess the suitability of coatings, used in nuclear power facilities, under radiation exposure for the life of the facilities, including radiation during a DBA (Coating Service Level I areas only). Specific plant radiation exposure may exceed or be less than the amount specified in 7.2 of this standard. If required by the licensee design basis, the gamma dose used may exceed the actual anticipated plant gamma dose to account for beta dose. Coatings in Level II and III areas (outside primary containment) are expected to be exposed to lower accumulated radiation doses. SCOPE 1.1 This test method covers a standard procedure for evaluating the lifetime radiation tolerance of coatings to be used in nuclear power plants. This test method is applicable to Coating Service Levels I, II, and III. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 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.

SIGNIFICANCE AND USE 4.1 This test method is designed to provide a uniform test to assess the suitability of coatings, used in nuclear power facilities, under radiation exposure for the life of the facilities, including radiation during a DBA (Coating Service Level I areas only). Specific plant radiation exposure may exceed or be less than the amount specified in 7.2 of this standard. If required by the licensee design basis, the gamma dose used may exceed the actual anticipated plant gamma dose to account for beta dose. Coatings in Level II and III areas (outside primary containment) are expected to be exposed to lower accumulated radiation doses. SCOPE 1.1 This test method covers a standard procedure for evaluating the lifetime radiation tolerance of coatings to be used in nuclear power plants. This test method is applicable to Coating Service Levels I, II, and III. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 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.

ASTM D4082-10(2023) is classified under the following ICS (International Classification for Standards) categories: 87.040 - Paints and varnishes. The ICS classification helps identify the subject area and facilitates finding related standards.

ASTM D4082-10(2023) has the following relationships with other standards: It is inter standard links to ASTM D660-93(2019), ASTM D661-93(2019), ASTM D5139-19, ASTM D772-18, ASTM D4538-13, ASTM D5139-12, ASTM D661-93(2011), ASTM D772-86(2011), ASTM D660-93(2011), ASTM D5139-10, ASTM D714-02(2009), ASTM D4538-05e1, ASTM D4538-05, ASTM D660-93(2005), ASTM D661-93(2005). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ASTM D4082-10(2023) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

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: D4082 − 10 (Reapproved 2023)
Standard Test Method for
Effects of Gamma Radiation on Coatings for Use in Nuclear
Power Plants
This standard is issued under the fixed designation D4082; 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 D772 Test Method for Evaluating Degree of Flaking (Scal-
ing) of Exterior Paints
1.1 This test method covers a standard procedure for evalu-
D4538 Terminology Relating to Protective Coating and
ating the lifetime radiation tolerance of coatings to be used in
Lining Work for Power Generation Facilities
nuclear power plants. This test method is applicable to Coating
D5139 Specification for Sample Preparation for Qualifica-
Service Levels I, II, and III.
tion Testing of Coatings to be Used in Nuclear Power
1.2 The values stated in inch-pound units are to be regarded
Plants
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
3. Terminology
and are not considered standard.
3.1 Definitions—Definitions for use with this Test Method
1.3 This standard does not purport to address all of the
are shown in Terminology D4538 or other referenced stan-
safety concerns, if any, associated with its use. It is the
dards.
responsibility of the user of this standard to establish appro-
4. Significance and Use
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
4.1 This test method is designed to provide a uniform test to
1.4 This international standard was developed in accor-
assess the suitability of coatings, used in nuclear power
dance with internationally recognized principles on standard-
facilities, under radiation exposure for the life of the facilities,
ization established in the Decision on Principles for the
including radiation during a DBA (Coating Service Level I
Development of International Standards, Guides and Recom-
areas only). Specific plant radiation exposure may exceed or be
mendations issued by the World Trade Organization Technical
less than the amount specified in 7.2 of this standard. If
Barriers to Trade (TBT) Committee.
required by the licensee design basis, the gamma dose used
may exceed the actual anticipated plant gamma dose to account
2. Referenced Documents
for beta dose. Coatings in Level II and III areas (outside
2.1 ASTM Standards:
primary containment) are expected to be exposed to lower
D659 Method for Evaluating Degree of Chalking of Exterior
accumulated radiation doses.
Paints (Withdrawn 1990)
D660 Test Method for Evaluating Degree of Checking of 5. Preparation of Test Samples
Exterior Paints
5.1 Steel Panels—Panels shall be prepared in accordance
D661 Test Method for Evaluating Degree of Cracking of
with Specification D5139 or as approved by the licensee.
Exterior Paints
5.2 Concrete Blocks—Blocks shall be prepared in accor-
D714 Test Method for Evaluating Degree of Blistering of
dance with Specification D5139 or as approved by the licensee.
Paints
6. Sampling
This test method is under the jurisdiction of ASTM Committee D33 on
6.1 Prepare and test specimens at least in duplicate, or as
Protective Coating and Lining Work for Power Generation Facilities and is the direct
otherwise specified by the licensee.
responsibility of Subcommittee D33.02 on Service and Material Parameters.
Current edition approved April 1, 2023. Published May 2023. Originally
approved in 1983. Last previous edition approved in 2017 as D4082 – 10 (2017).
7. Procedures
DOI: 10.1520/D4082-10R23.
7.1 Irradiation Dose Rate:
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
7.1.1 Make the gamma energy field at the position of the test
Standards volume information, refer to the standard’s Document Summary page on 6
specimen 1 × 10 rads/h, or greater, unless otherwise specified
the ASTM website.
3 by the licensee. It shall be uniform to within 10 % from one
The last approved version of this historical standard is referenced on
...

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