ASTM D6831 - 11

    Standard Test Method for Sampling and Determining Particulate Matter in Stack Gases Using an In-Stack, Inertial Microbalance

    Active Standard ASTM D6831 | Developed by Subcommittee: D22.03

    Book of Standards Volume: 11.07


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    ASTM D6831

    Significance and Use

    The measurement of particulate matter is widely performed to characterize emissions from stationary sources in terms of total emission rates to the atmosphere for regulatory purposes.

    This test method is particularly well suited for use in performance assessment and optimization of particulate matter control systems, continuous particulate matter emissions monitoring systems and the measurement of low concentration particulate matter laden gas streams in the range of 0.2 mg/m3 to 50 mg/m3.

    1. Scope

    1.1 This test method describes the procedures for determining the mass concentration of particulate matter in gaseous streams using an automated, in-stack test method. This method, an in-situ, inertial microbalance, is based on inertial mass measurement using a hollow tube oscillator. This method is describes the design of the apparatus, operating procedure, and the quality control procedures required to obtain the levels of precision and accuracy stated.

    1.2 This method is suitable for collecting and measuring filterable particulate matter concentrations in the ranges 0.2 mg/m3 and above taken in effluent ducts and stacks.

    1.3 This test method may be used for calibration of automated monitoring systems (AMS). If the emission gas contains unstable, reactive, or semi-volatile substances, the measurement will depend on the filtration temperature, and this method (and other in-stack methods) may be more applicable than out-stack methods for the calibration of automated monitoring systems.

    1.4 This test method can be employed in sources having gas temperature up to 200C and having gas velocities from 3 to 27 m/s.

    1.5 This test method includes a description of equipment and methods to be used for obtaining and analyzing samples and a description of the procedure used for calculating the results.

    1.6 Stack temperatures limitation for this test method is approximately 200C (392F).

    1.7 This test method may be also be limited from use in sampling gas streams that contain fluoride, or other reactive species having the potential to react with or within the sample train.

    1.8 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.


    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

    D3154 Test Method for Average Velocity in a Duct (Pitot Tube Method)

    D3685/D3685M Test Methods for Sampling and Determination of Particulate Matter in Stack Gases

    D3796 Practice for Calibration of Type S Pitot Tubes

    D6331 Test Method for Determination of Mass Concentration of Particulate Matter from Stationary Sources at Low Concentrations (Manual Gravimetric Method)

    EPA Methods from 40 CFR Part 60, Appendix A

    Method17 Determination of Particulate Emissions from Stationary Sources (In-Situ Filtration Method)

    EPA Methods from 40 CFR Part 60, Appendix B

    PerformanceSpecifica Specifications and Test Procedures for Particulate Matter Continuous Emission Monitoring Systems at Stationary Sources

    EPA Methods from 40 CFR Part 63, Appendix A

    Method301 Field Validation of Pollutant Measurement Methods from Various Waste Media


    ICS Code

    ICS Number Code 07.100.01 (Microbiology in general)

    UNSPSC Code

    UNSPSC Code 77121500(Air pollution)


    DOI: 10.1520/D6831-11

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