GroundRules
← Search the law
Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table E-2 to Subpart E of Part 53: Table E-2 to Subpart E of Part 53—Spectral Energy Distribution and Permitted Tolerance for Conducting Radiative Tests

Read at publisher ↗
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 E—Procedures for Testing Physical (Design) and Performance Characteristics of Reference Methods and Class I and Class II Equivalent Methods for PM 2.5 or PM 10-2.5

Characteristic Spectral Region

Ultraviolet Visible Infrared

Bandwidth (µm) 0.28 to 0.32 0.32 to 0.40 0.40 to 0.78 0.78 to 3.00

Irradiance (W/m2) 5 56 450 to 550 439

Allowed Tolerance ±35% ±25% ±10% ±10%

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

Browse this collection