40 CFR Table 1 to Subpart A of Part 63
Detection Sensitivity Levels (grams per hour)
June 9, 2020
Open Table
| Monitoring frequency per subparta | Detection sensitivity level |
|---|---|
| Bi-Monthly | 60 |
| Semi-Quarterly | 85 |
| Monthly | 100 |
aWhen this alternative work practice is used to identify leaking equipment, the owner or operator must choose one of the monitoring frequencies listed in this table, in lieu of the monitoring frequency specified in the applicable subpart. Bi-monthly means every other month. Semi-quarterly means twice per quarter. Monthly means once per month.
[73 FR 78213, Dec. 22, 2008]
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