CFR›Title 40›Chapter I›Part 53›Subpart B›Appendix Figure B-1 to Subpart B of Part 53 CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Figure B-1 to Subpart B of Part 53—Example Previous Appendix A to Subpart B of Part 53 Appendix A to Subpart B of Part 53—Optional Forms for Reporting Test Results Next Table B-1 to Subpart B of Part 53 Table B-1 to Subpart B of Part 53—Performance Limit Specifications for Automated Methods