CFR›Title 50›Chapter II›Part 223›Appendix Figure 12 to Part 223 CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Figure 12 to Part 223—Escape Opening & Cover Dimensions for 71-inch TED[68 FR 8469, Feb. 21, 2003] Previous Figure 11 to Part 223 Figure 11 to Part 223—Modified Flounder TED Next Figure 13 to Part 223 Figure 13 to Part 223—Single Grid Hard TED Escape Opening