1. Regulations
  2. title 40
  3. chapter I-i7
  4. part 60
  5. subpart OOOOb
  6. 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.