Source: https://www.ecfr.gov/cgi-bin/text-idx?mc=true&node=ap40.14.63_11579.19&rgn=div9
Timestamp: 2019-12-15 06:28:00
Document Index: 156133993

Matched Legal Cases: ['§63', '§63', '§63', '§63', '§63', '§63']

As stated in §63.1566(b)(7), you shall meet each requirement in the following table that applies to you.
Option 1 Visible emissions from a flare must not exceed a total of 5 minutes during any 2 consecutive hours On and after January 30, 2019, the flare meets the requirements of §63.670. Prior to January 30, 2019, visible emissions, measured using Method 22 over the 2-hour observation period of the performance test, do not exceed a total of 5 minutes, or the flare meets the requirements of §63.670.
Option 2 Reduce uncontrolled emissions of total organic compounds (TOC) or nonmethane TOC from your process vent by 98 percent by weight using a control device or to a concentration of 20 ppmv (dry basis as hexane), corrected to 3 percent oxygen, whichever is less stringent The mass emission reduction of nonmethane TOC measured by Method 25 over the period of the performance test is at least 98 percent by weight as calculated using Equations 1 and 3 of §63.1566; or the mass emission reduction of TOC measured by Method 25A (or nonmethane TOC measured by Methods 25A and 18) over the period of the performance test is at least 98 percent by weight as calculated using Equations 2 and 3 of §63.1566; or the TOC concentration measured by Method 25A (or the nonmethane TOC concentration measured by Methods 25A and 18) over the period of the performance test does not exceed 20 ppmv (dry basis as hexane) corrected to 3 percent oxygen as calculated using Equation 4 of §63.1566.
[70 FR 6953, Feb. 9, 2005, as amended at 80 FR 75305, Dec. 1, 2015]