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 Code of Federal Regulations (Last Updated: May 6, 2024)
 Title 40 - Protection of Environment
 Chapter I - Environmental Protection Agency
 SubChapter C - Air Programs
 Part 53 - Ambient Air Monitoring Reference and Equivalent Methods
 Subpart F - Procedures for Testing Performance Characteristics of Class II Equivalent Methods for PM 2.5

  Table F-5 to Subpart F of Part 53 - Estimated Mass Concentration Measurement of PM 2.5 for Idealized “Typical” Coarse Aerosol Size Distribution  

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  • Table F-5 to Subpart F of Part 53 - Estimated Mass Concentration Measurement of PM2.5 for Idealized “Typical” Coarse Aerosol Size Distribution

    Particle Aerodynamic Diameter (µm) Test Sampler Ideal Sampler
    Fractional Sampling Effectiveness Interval Mass Concentration (µg/m3) Estimated Mass Concentration Measurement (µg/m3) Fractional Sampling Effectiveness Interval Mass Concentration (µg/m3) Estimated Mass Concentration Measurement (µg/m3)
    (1) (2) (3) (4) (5) (6) (7)
    <0.500 1.000 16.651 1.000 16.651 16.651
    0.625 5.899 0.999 5.899 5.893
    0.750 2.708 0.998 2.708 2.703
    0.875 1.996 0.997 1.996 1.990
    1.000 1.478 0.995 1.478 1.471
    1.125 1.108 0.991 1.108 1.098
    1.250 0.846 0.987 0.846 0.835
    1.375 0.661 0.980 0.661 0.648
    1.500 0.532 0.969 0.532 0.516
    1.675 0.444 0.954 0.444 0.424
    1.750 0.384 0.932 0.384 0.358
    1.875 0.347 0.899 0.347 0.312
    2.000 0.325 0.854 0.325 0.277
    2.125 0.314 0.791 0.314 0.248
    2.250 0.312 0.707 0.312 0.221
    2.375 0.316 0.602 0.316 0.190
    2.500 0.325 0.480 0.325 0.156
    2.625 0.336 0.351 0.336 0.118
    2.750 0.350 0.230 0.350 0.081
    2.875 0.366 0.133 0.366 0.049
    3.000 0.382 0.067 0.382 0.026
    3.125 0.399 0.030 0.399 0.012
    3.250 0.416 0.012 0.416 0.005
    3.375 0.432 0.004 0.432 0.002
    3.500 0.449 0.001 0.449 0.000000
    3.625 0.464 0.000000 0.464 0.000000
    3.750 0.480 0.000000 0.480 0.000000
    3.875 0.494 0.000000 0.494 0.000000
    4.000 0.507 0.000000 0.507 0.000000
    4.125 0.520 0.000000 0.520 0.000000
    4.250 0.000000 0.532 0.000000
    4.375 0.000000 0.543 0.000000
    4.500 0.000000 0.553 0.000000
    4.625 0.000000 0.562 0.000000
    4.750 0.000000 0.570 0.000000
    4.875 0.000000 0.577 0.000000
    5.000 0.000000 0.584 0.000000
    5.125 0.000000 0.590 0.000000
    5.250 0.000000 0.595 0.000000
    5.375 0.000000 0.599 0.000000
    5.500 0.000000 0.603 0.000000
    5.625 0.000000 0.605 0.000000
    5.75 0.000000 0.608 0.000000
    Csam(exp)= Cideal(exp)= 34.284