ASTM D5608 - 16

    Standard Practices for Decontamination of Sampling and Non Sample Contacting Equipment Used at Low Level Radioactive Waste Sites

    Active Standard ASTM D5608 | Developed by Subcommittee: D18.21

    Book of Standards Volume: 04.08

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    Significance and Use

    5.1 The primary objectives of work at low-level radioactive waste sites are the protection of personnel, prevention of the spread of contamination, minimization of additional wastes, protection of sample data quality, and the unconditional release of equipment used.

    5.2 Preventing the contamination of equipment used at low-level radioactive waste sites and the decontamination of contaminated equipment are key aspects of achieving these goals.

    5.3 This practice provides guidance in the planning of work to prevent contamination and when necessary, for the decontamination of equipment that has become contaminated. The benefits include:

    5.3.1 Minimizing the spread of contamination within a site and preventing the spread outside of the work area.

    5.3.2 Reducing the potential exposure of workers during the work and the subsequent decontamination of equipment.

    5.3.3 Minimizing the amounts of additional wastes generated during the work, including liquid, or mixed wastes, including separation of the waste types, such as protective clothing, cleaning equipment, cleaning solutions, and protective wraps and drapes.

    5.3.4 Improving the quality of sample data and reliability.

    5.3.5 Selecting equipment based on total life-cycle costs counting labor, waste, containment, disposal, treatment, and additional analytical costs, such as using dedicated or disposable equipment rather than decontaminating between uses.

    5.4 This practice may not be applicable to all low-level radioactive waste sites, such as sites containing low-level radioactive wastes mixed with chemical or reactive wastes. Field personnel, with assistance from trained radiological control professionals, should have the flexibility to modify the decontamination procedures with due consideration for the sampling objectives, or if past experience supports alternative procedures for contamination protection or decontamination.

    5.5 This practice does not address the monitoring, protection, or decontamination of personnel working with low-level radioactive wastes.

    5.6 This practice does not address regulatory requirements that may control or restrict work, the need for permits or regulatory approvals, or the accumulation, handling, or disposal of generated wastes.

    5.7 This practice does not set the release levels for equipment that has been decontaminated. Release levels are to be determined in advance in the QA/QC planning process. Guidance for release limits can be found in the reference documents.

    5.8 This practice does not address the regulatory requirements for the handling, labeling, shipping, or storage of wastes or samples.

    5.9 The decontamination process should be planned to use the least aggressive methods and materials to be used to minimize the generation of additional wastes while resulting in an acceptable decontamination while minimizing the generation of wastes. Studies have found that the use of chemicals can often be avoided, using pressure washes, steam cleaning, or the use of applied heat.

    5.10 The practice of performing remediation control surveys can decrease the effort required to achieve decontamination release levels.

    1. Scope

    1.1 These practices cover the decontamination of sampling and non-sample contacting equipment used in the sampling of soils, soil gas, sludges, surface water and groundwater at waste sites known or suspected of containing low level radioactive wastes. It may also have application for decontamination of sampling and heavy construction equipment used during remediation activities.

    1.2 This practice is applicable at sites where low level radioactive wastes are known or suspected to exist. This practice may also be applicable for the decontamination of equipment used in known or suspected transuranic, or mixed wastes when used by itself or in conjunction with Practice D5088.

    1.3 Procedures are contained in this practice for the decontamination of equipment that comes into contact with the sample matrix (sample contacting equipment), and for ancillary equipment that has not contacted the sample, but may have become contaminated during use (non-contacting equipment). For sample contacting equipment there are four separate procedures (Procedure A through D) in Section 8. For non-contacting equipment, one procedure is presented as covered in Section 9.

    1.4 The user is reminded of the importance of proper decontamination planning to minimize the amount of decontamination wastes generated and to reduce or eliminate the use of cleaning agents that are themselves hazardous materials. Quality Assurance/Quality Control (QA/QC) radiological surveys and samples that document decontamination effectiveness can be used to modify or enhance decontamination techniques.

    1.5 This practice is applicable to most conventional sampling equipment constructed of metallic and hard, smooth synthetic materials. Materials with rough or porous surfaces, or having a high sorption rate should not be used in radioactive waste sampling due to the difficulties with decontamination.

    1.6 In those cases where sampling will be periodically performed, such as sampling of wells, consideration should be given to the use of dedicated sampling equipment if legitimate concerns exist for the production of undesirable or unmanageable waste byproducts, or both, during the decontamination of tools and equipment.

    1.7 This practice does not address regulatory requirements for personnel protection or decontamination, or for the handling, labeling, shipping, or storing of wastes or samples. Specific radiological release requirements and limits must be determined by users in accordance with local, state and federal regulations.

    1.8 Other jurisdictions may have equivalent requirements. For additional information in the United States, for example, see United States Department of Energy (DOE) 10 CFR Part 835 and U.S. Nuclear Regulatory Commission (NRC) 10 CFR Part 20.

    1.9 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.10 This practice offers an organized collection of information or a series of options and does not recommend a specific course of action. This document cannot replace education or experience and should be used in conjunction with professional judgement. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged nor should this document be applied without consideration of a project's many unique aspects. The word “standard” in the title of this document means only that the document has been approved through the ASTM consensus process.

    1.11 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. Specific precautionary statements are given in Section 6.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D1193 Specification for Reagent Water

    D5088 Practice for Decontamination of Field Equipment Used at Waste Sites

    United States Code of Federal Regulations

    10 CFR 60

    10 CFR Part 20 Standards for Protection Against Radiation

    10 CFR Part 835 Radiological Protection for Occupational Workers

    Multi-Agency Radiation Survey and Site Investigation Manual (MARSSIM), Nureg-1575, Rev 1, EPA 402-R-

    ANSI/HPS N13.12

    ICS Code

    ICS Number Code 13.030.30 (Special wastes)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D5608-16

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D5608-16, Standard Practices for Decontamination of Sampling and Non Sample Contacting Equipment Used at Low Level Radioactive Waste Sites, ASTM International, West Conshohocken, PA, 2016,

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