CFR›Title 16›Chapter II›Part 1610›Appendix Figure 4 to Part 1610 CorpusDaily eCFRDisplayed edition2026-05-08Last updated2026-05-08 Figure 4 to Part 1610—An Example of a Typical Indicator Finger Previous Figure 3 to Part 1610 Figure 3 to Part 1610—Specimen Holder Supported in Specimen Rack Next Figure 5 to Part 1610 Figure 5 to Part 1610—An Example of a Typical Gas Shield