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Regulations last checked for updates: Nov 25, 2024
Title 23 - Highways last revised: Jan 01, 1900
All Titles
Title 23
Chapter I
Part 637
Subpart B - Subpart B—Quality Assurance Procedures for Construction
§ 637.201 - Purpose.
§ 637.203 - Definitions.
§ 637.205 - Policy.
§ 637.207 - Quality assurance program.
§ 637.209 - Laboratory and sampling and testing personnel qualifications.
Appendix Appendix A - Appendix A to Subpart B of Part 637—Guide Letter of Certification by State Engineer
authority:
Sec. 1307, Pub. L. 105-178, 112 Stat. 107;
23 U.S.C. 109
,
114
,
and
;
49 CFR 1.48
(b)
source:
60 FR 33717, June 29, 1995, unless otherwise noted.
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