Operating time (% of year) | Equivalent continuous process monitoring frequency time in use | ||
Monthly | Quarterly | Semiannually | |
0 to [LESS THAN]25% | Quarterly | Annually | Annually. |
25 to [LESS THAN]50% | Quarterly | Semiannually | Annually. |
50 to [LESS THAN]75% | Bimonthly | Three times | Semiannually. |
75 to 100% | Monthly | Quarterly | Semiannually. |
40 C.F.R. 63 app Table 1 to Subpart UU of Part 63