- Table 1 to Subpart UU of Part 63—Batch Processes 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%QuarterlyAnnuallyAnnually. 25 to <50%QuarterlySemiannuallyAnnually. 50 to <75%BimonthlyThree timesSemiannually. 75 to 100%MonthlyQuarterlySemiannually.