U.S. Code
Regulations
Constitution
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
x
Search
Search guide
U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 160
Subpart E - Subpart E—Testing Facilities Operation
§ 160.81 - Standard operating procedures.
§ 160.83 - Reagents and solutions.
§ 160.90 - Animal and other test system care.
Download the GovRegs app!