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Federal regulations · Through 2026-08-25 · Newer source version available

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

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER C—AIR PROGRAMS
  4. PART 53—AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS
  5. Subpart F—Procedures for Testing Performance Characteristics of Class II Equivalent Methods for PM 2.5

Performance test Specifications Acceptance criteria

§ 53.62 Full Wind Tunnel Evaluation Solid VOAG produced aerosol at 2 km/hr and 24 km/hr Dp50 = 2.5 µm ±0.2 µm Numerical Analysis Results: 95% ≤Rc ≤105%.

§ 53.63 Wind Tunnel Inlet Aspiration Test Liquid VOAG produced aerosol at 2 km/hr and 24 km/hr Relative Aspiration: 95% ≤A ≤105%.

§ 53.64 Static Fractionator Test Evaluation of the fractionator under static conditions Dp50 = 2.5 µm ±0.2 µm Numerical Analysis Results: 95% ≤Rc ≤105%.

§ 53.65 Loading Test Loading of the clean candidate under laboratory conditions Acceptance criteria as specified in the post-loading evaluation test (§ 53.62, § 53.63, or § 53.64).

§ 53.66 Volatility Test Polydisperse liquid aerosol produced by air nebulization of A.C.S. reagent grade glycerol, 99.5% minimum purity Regression Parameters Slope = 1 ±0.1, Intercept = 0 ±0.15 mg, r ≥0.97.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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