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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 23
Chapter III
Part 1340
Subpart B - Subpart B—Survey Design Requirements
§ 1340.4 - In general.
§ 1340.5 - Selection of observation sites.
§ 1340.6 - Assignment of observation times.
§ 1340.7 - Observation procedures.
§ 1340.8 - Quality control.
§ 1340.9 - Computation of estimates.
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