Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix - Table 22 to Subpart G of Part 63—Paint Factors for Fixed Roof Tanks
Tank color Paint factors (Fp)
Paint Condition
Roof Shell Good Poor
WhiteWhite1.001.15
Aluminum (specular)White1.041.18
WhiteAluminum (specular)1.161.24
Aluminum (specular)Aluminum (specular)1.201.29
WhiteAluminum (diffuse)1.301.38
Aluminum (diffuse)Aluminum (diffuse)1.391.46
WhiteGray1.301.38
Light grayLight gray1.331.44
Medium grayMedium gray1.401.58
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.