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    ASTM G122 - 20

    Standard Test Method for Evaluating the Effectiveness of Cleaning Agents and Processes

    Active Standard ASTM G122 | Developed by Subcommittee: G04.01

    Book of Standards Volume: 14.04

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    Significance and Use

    5.1 The purpose of these test methods is to define a procedure for evaluating the capability and effectiveness of cleaning agents to remove residues of a compound/product from surrogate surfaces (that is, coupons or beakers) of Materials of Construction. This test method also provides a procedure for determining the compatibility of cleaning agents with the Material of Construction prior to starting tests. Based on the outcome of the testing, suitable cleaning agents may be selected for further cleaning process development (see Guide D6361/D6361M).

    5.2 The potential critical cleaning parameters related to the cleaning agent(s) under study may also be examined using these tests. Potentially critical cleaning parameters include cleaning agent concentration, temperature, time, pH, foaming, type and strength of ultrasonic energy or agitation (if used), and others. These parameters may be varied (for example, using Design of Experiments) to determine their potential optimal settings for actual use.

    1. Scope

    1.1 This test method covers a procedure for evaluating the effectiveness and capability of cleaning agents to remove contamination to the desired level. This includes removing drug residues from manufacturing equipment and residues from medical devices (Guide E3106), as well as systems for oxygen service.

    1.2 The test coupons/beakers described in this standard provide a representative surface to which contamination can be applied and tested for the ability of a cleaning agent to remove it.

    1.3 This test method is a laboratory scale approximation and the actual effectiveness of a particular cleaning agent depends upon the method (temperature, agitation, concentration, etc.) in which it is used and the characteristics of the article being cleaned, such as size, shape, and material. Final evaluation of the cleaning agent should include testing of actual products and cleaning processes.

    1.4 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered 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 safety of each compound on a case-by-case basis.

    1.6 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.

    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

    D1193 Specification for Reagent Water

    D6317 Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection

    D6361/D6361M Guide for Selecting Cleaning Agents and Processes

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E3106 Guide for Science-Based and Risk-Based Cleaning Process Development and Validation

    G93/G93M Guide for Cleanliness Levels and Cleaning Methods for Materials and Equipment Used in Oxygen-Enriched Environments

    G121 Practice for Preparation of Contaminated Test Coupons for the Evaluation of Cleaning Agents

    G127 Guide for the Selection of Cleaning Agents for Oxygen-Enriched Systems

    ICS Code

    ICS Number Code 71.100.40 (Surface active agents)

    UNSPSC Code

    UNSPSC Code 47131800(Cleaning and disinfecting solutions)

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

    DOI: 10.1520/G0122-20

    Citation Format

    ASTM G122-20, Standard Test Method for Evaluating the Effectiveness of Cleaning Agents and Processes, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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