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

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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.