40 C.F.R. Table 1 to Subpart H of Part 63
Batch Processes
Cite as 40 C.F.R. Table 1 to Subpart H of Part 63 (2026)
[Monitoring frequency for equipment other than connectors] Operating time (% of year) Equivalent continuous process monitoring frequency time in use Monthly Quarterly Semiannually 0 to <25 Quarterly Annually Annually. 25 to <50 Quarterly Semiannually Annually. 50 to <75 Bimonthly Three times Semiannually. 75 to 100 Monthly Quarterly Semiannually. [89 FR 43234, May 16, 2024]