CFR > Title 23 > Chapter III > Part 1340 > Subpart B CFR > Title 23 > Chapter III > Part 1340 > Subpart B – Survey Design Requirements Current as of: 2024 | Check for updates | Other versions § 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