Well testing venting and flaring
Well testing venting and flaring means venting and/or flaring of natural gas at the time the production rate of a well is determined for regulatory, commercial, or technical purposes. If well testing is conducted immediately after well completion or workover, then it is considered part of well completion or workover.
40 CFR § 98.238
Except as provided in this section, all terms used in this subpart have the same meaning given in the Clean Air Act and subpart A of this part.