Code of Federal Regulations > Title 40 > Chapter I > Part 63 > Subpart G > Appendix - Table 21 to Subpart G of Part 63—Average Storage Temperature (Ts) as a Function of Tank Paint Color

Regulations last checked for updates: Jan 18, 2025

Title 40 - Protection of Environment last revised: Dec 30, 2025

Appendix - Table 21 to Subpart G of Part 63—Average Storage Temperature (Ts) as a Function of Tank Paint Color

Tank Color	Average Storage Temperature (Ts)
White	TA a = 0
Aluminum	TA = 2.5
Gray	TA = 3.5
Black	TA = 5.0

^a TA is the average annual ambient temperature in degrees Fahrenheit.

authority: 42 U.S.C. 7401

source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.