40 CFR Part 53, Table F-5

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

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	16.651 \| \| 1 \| 16.651 \| 16.651
0.625	\| 5.899	\| 0.999 \| 5.899 \| 5.893
0.75	\| 2.708	\| 0.998 \| 2.708 \| 2.703
0.875	\| 1.996	\| 0.997 \| 1.996 \| 1.99
1	\| 1.478	\| 0.995 \| 1.478 \| 1.471
1.125	\| 1.108	\| 0.991 \| 1.108 \| 1.098
1.25	\| 0.846	\| 0.987 \| 0.846 \| 0.835
1.375	\| 0.661	\| 0.98 \| 0.661 \| 0.648
1.5	\| 0.532	\| 0.969 \| 0.532 \| 0.516
1.675	\| 0.444	\| 0.954 \| 0.444 \| 0.424
1.75	\| 0.384	\| 0.932 \| 0.384 \| 0.358
1.875	\| 0.347	\| 0.899 \| 0.347 \| 0.312
2	\| 0.325	\| 0.854 \| 0.325 \| 0.277
2.125	\| 0.314	\| 0.791 \| 0.314 \| 0.248
2.25	\| 0.312	\| 0.707 \| 0.312 \| 0.221
2.375	\| 0.316	\| 0.602 \| 0.316 \| 0.19
2.5	\| 0.325	\| 0.48 \| 0.325 \| 0.156
2.625	\| 0.336	\| 0.351 \| 0.336 \| 0.118
2.75	\| 0.35	\| 0.23 \| 0.35 \| 0.081
2.875	\| 0.366	\| 0.133 \| 0.366 \| 0.049
3	\| 0.382	\| 0.067 \| 0.382 \| 0.026
3.125	\| 0.399	\| 0.03 \| 0.399 \| 0.012
3.25	\| 0.416	\| 0.012 \| 0.416 \| 0.005
3.375	\| 0.432	\| 0.004 \| 0.432 \| 0.002
3.5	\| 0.449	\| 0.001 \| 0.449 \| 0
3.625	\| 0.464	\| 0 \| 0.464 \| 0
3.75	\| 0.48	\| 0 \| 0.48 \| 0
3.875	\| 0.494	\| 0 \| 0.494 \| 0
4	\| 0.507	\| 0 \| 0.507 \| 0
4.125	\| 0.52	\| 0 \| 0.52 \| 0
4.25	\|	\| 0 \| 0.532 \| 0
4.375	\|	\| 0 \| 0.543 \| 0
4.5	\|	\| 0 \| 0.553 \| 0
4.625	\|	\| 0 \| 0.562 \| 0
4.75	\|	\| 0 \| 0.57 \| 0
4.875	\|	\| 0 \| 0.577 \| 0
5	\|	\| 0 \| 0.584 \| 0
5.125	\|	\| 0 \| 0.59 \| 0
5.25	\|	\| 0 \| 0.595 \| 0
5.375	\|	\| 0 \| 0.599 \| 0
5.5	\|	\| 0 \| 0.603 \| 0
5.625	\|	\| 0 \| 0.605 \| 0
5.75	\|	\| 0 \| 0.608 \| 0
		Csam(exp)= \| \| \| Cideal(exp)= \| 34.284