Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
Appendix - Table 23 to Subpart G of Part 63—Average Clingage Factors (c) a
Liquid Shell condition
Light rust b Dense rust Gunite lined
Gasoline0.00150.00750.15
Single component stocks0.00150.00750.15
Crude oil0.00600.0300.60

a Units for average clingage factors are barrels per 1,000 square feet.

b If no specific information is available, these values can be assumed to represent the most common condition of tanks currently in use.

authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.