40 CFR Table 3 to Subpart A of Part 65
Detection Sensitivity Levels (grams per hour)
June 9, 2020
CFR
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 78219, Dec. 22, 2008]


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