Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
All TitlesTitle 40Chapter IPart 60Subpart OOOObAppendix - Table 1 to Subpart OOOOb of Part 60—Alternative Technology Periodic Screening Frequency at Well Sites, Centralized Production Facilities, and Compressor Stations Subject to AVO Inspections With Quarterly OGI or EPA Method 21 Monitoring
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Appendix - Table 1 to Subpart OOOOb of Part 60—Alternative Technology Periodic Screening Frequency at Well Sites, Centralized Production Facilities, and Compressor Stations Subject to AVO Inspections With Quarterly OGI or EPA Method 21 Monitoring
Minimum screening frequency Minimum detection threshold
of screening technology *
(kg/hr)
Quarterly≤1
Bimonthly≤2
Bimonthly + Annual OGI≤10
Monthly≤5
Monthly + Annual OGI≤15

* Based on a probability of detection of 90%.

authority: 42 U.S.C. 7401
source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.
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