LAC 33:III.1105. Smoke from Flaring Shall Not Exceed 20 Percent Opacity

A. The emission of smoke from a flare or other similar device used for burning in connection with pressure valve releases for control over process upsets shall be controlled so that the shade or appearance of the emission does not exceed 20 percent opacity (LAC 33:III.1503.D.4, Table 4) for a combined total of 6 hours in any 10 consecutive days. If it appears the emergency cannot be controlled in 6 hours, SPOC shall be notified by the emitter in accordance with LAC 33:I.3923 as soon as possible after the start of the upset period.