1. Regulations
  2. title 40
  3. chapter I-i13
  4. part 63
  5. subpart CCCC
  6. appendix-i 7

- Table 8 to Subpart CCCC of Part 63—Monitoring System Requirements Timeline

For each . . . During this time frame . . . You must monitor VOC concentration by . . . Existing affected sourceBefore 10/16/2017Monitoring fermenter exhaust using a CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor. Between 10/16/2017 and October 16, 2020Monitoring fermenter exhaust using a VOC CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor. On and after October 16, 2020Monitoring fermenter exhaust using a VOC CEMS. New or reconstructed affected source that you start up prior to 10/16/2017Before 10/16/2017Monitoring fermenter exhaust using a CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor. Between 10/16/2017 and October 16, 2020Monitoring fermenter exhaust using a VOC CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor. On and after October 16, 2020Monitoring fermenter exhaust using a VOC CEMS. New or reconstructed affected source that you start up after 10/16/2017After 10/16/2017Monitoring fermenter exhaust using a VOC CEMS.

AUTHORITY: 42 U.S.C. 7401

SOURCE: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.