Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
Appendix - Table 1 to Subpart F of Part 65—Batch Processes Monitoring Frequency for Equipment Other Than Connectors
Operating time
(percent of year)
Equivalent continuous process monitoring frequency time in use
Monthly Quarterly Semiannually
0 to <25QuarterlyAnnuallyAnnually.
25 to <50QuarterlySemiannuallyAnnually.
50 to <75BimonthlyThree timesSemiannually.
75 to 100MonthlyQuarterlySemiannually.
authority: 42 U.S.C. 7401
source: 65 FR 78285, Dec. 14, 2000, unless otherwise noted.