Code of Federal Regulations > Title 40 > Chapter I > Part 53 > Subpart E > Appendix - Table E-2 to Subpart E of Part 53—Spectral Energy Distribution and Permitted Tolerance for Conducting Radiative Tests

Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024

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

Characteristic	Spectral Region
Characteristic	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/m ²)	5 56	450 to 550	439
Allowed Tolerance	±35% ±25%	±10%	±10%

[62 FR 38799, July 18, 1997; 63 FR 7714, Feb. 17, 1998]

authority: Sec. 301(a) of the Clean Air Act (42 U.S.C. sec. 1857g(a)), as amended by sec. 15(c)(2) of Pub. L. 91-604, 84 Stat. 1713, unless otherwise noted

source: 40 FR 7049, Feb. 18, 1975, unless otherwise noted.