1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 53 - AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS
  6. Subpart F - Procedures for Testing Performance Characteristics of Class II Equivalent Methods for PM2.5
  7. 40 CFR Table F-2 to Subpart F of Part 53
40 CFR Table F-2 to Subpart F of Part 53
Particle Sizes and Wind Speeds for Full Wind Tunnel Test, Wind Tunnel Inlet Aspiration Test, and Static Chamber Test
June 9, 2020
CFR
Open Table
Primary Partical Mean Sizea (µm) Full Wind Tunnel Test Inlet Aspiration Test Static Fractionator Test Volatility Test
2 km/hr 24 km/hr 2 km/hr 24 km/hr
1.5±0.25 S S         S
2.0±0.25 S S         S
2.2±0.25 S S         S
2.5±0.25 S S         S
2.8±0.25 S S         S
3.0±0.25         L L
3.5±0.25 S S         S
4.0±0.5 S S         S
Polydisperse Glycerol Aerosol                L

aAerodynamic diameter.

S = Solid particles.

L = Liquid particles.

Previous
Table F-1 to Subpart F of Part 53 Performance Specifications for PM2.5 Class II Equivalent Samplers
Next
Table F-3 to Subpart F of Part 53 Critical Parameters of Idealized Ambient Particle Size Distributions

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