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Table F-1 to Subpart F of Part 53—Performance Specifications for PM <sub>2.5</sub> Class II Equivalent Samplers

Performance Specifications for PM <sub>2.5</sub> Class II Equivalent Samplers

  1. CFR
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  3. Title 40
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  5. Chapter I
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  7. Part 53
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  9. Subpart F
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  11. Appendix Table F-1 to Subpart F of Part 53
CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

Table F-1 to Subpart F of Part 53—Performance Specifications for PM 2.5 Class II Equivalent Samplers

Performance testSpecificationsAcceptance criteria
§ 53.62 Full Wind Tunnel EvaluationSolid VOAG produced aerosol at 2 km/hr and 24 km/hrDp50 = 2.5 µm ±0.2 µm Numerical Analysis Results: 95% ≤Rc ≤105%.
§ 53.63 Wind Tunnel Inlet Aspiration TestLiquid VOAG produced aerosol at 2 km/hr and 24 km/hrRelative Aspiration: 95% ≤A ≤105%.
§ 53.64 Static Fractionator TestEvaluation of the fractionator under static conditionsDp50 = 2.5 µm ±0.2 µm Numerical Analysis Results: 95% ≤Rc ≤105%.
§ 53.65 Loading TestLoading of the clean candidate under laboratory conditionsAcceptance criteria as specified in the post-loading evaluation test (§ 53.62, § 53.63, or § 53.64).
§ 53.66 Volatility TestPolydisperse liquid aerosol produced by air nebulization of A.C.S. reagent grade glycerol, 99.5% minimum purityRegression Parameters Slope = 1 ±0.1, Intercept = 0 ±0.15 mg, r ≥0.97.

[72 FR 32209, June 12, 2007]