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    ASTM D4298 - 04(2014)e1

    Standard Guide for Intercomparing Permeation Tubes to Establish Traceability

    Active Standard ASTM D4298 | Developed by Subcommittee: D22.01

    Book of Standards Volume: 11.07

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    Significance and Use

    5.1 The accuracy of air pollution measurements is directly dependent upon accurate calibrations.

    5.2 Such measurements gain accuracy and can be intercompared when the measurement procedures are traceable to national measurement standards.

    5.3 This guide describes procedures for enhancing the accuracy of air pollution measurements which may be specified by those organizations requiring traceability to national standards.

    1. Scope

    1.1 This guide covers two procedures for establishing the permeation rate of a permeation tube and defining the uncertainty of the rate by comparison to National Institute of Standards and Technology's Standard Reference Materials (SRM).

    1.2 Procedure A consists of a direct comparison of the permeation rate of the device undergoing calibration with that of an SRM.

    1.3 Procedure B consists of a gravimetric calibration process in which a certified permeation tube is used as a quality control for the measurements.

    1.4 Both procedures are limited to the case where a suitable certified permeation device is available.

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

    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 and health practices and determine the applicability of regulatory limitations prior to use. (See 8.2 on Safety Precautions.)

    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

    D1356 Terminology Relating to Sampling and Analysis of Atmospheres

    D3249 Practice for General Ambient Air Analyzer Procedures

    D3609 Practice for Calibration Techniques Using Permeation Tubes

    D3631 Test Methods for Measuring Surface Atmospheric Pressure

    E1 Specification for ASTM Liquid-in-Glass Thermometers

    E319 Practice for the Evaluation of Single-Pan Mechanical Balances

    E617 Specification for Laboratory Weights and Precision Mass Standards

    ICS Code

    ICS Number Code 17.020 (Metrology and measurement in general)

    UNSPSC Code

    UNSPSC Code 77121500(Air pollution)

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

    DOI: 10.1520/D4298-04R14E01

    Citation Format

    ASTM D4298-04(2014)e1, Standard Guide for Intercomparing Permeation Tubes to Establish Traceability, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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