40 CFR § 63.1317
PET and polystyrene affected sources—monitoring provisions
June 9, 2020
Continuous process vents using a control or recovery device to comply with §63.1316 shall comply with the applicable monitoring provisions specified for continuous process vents in §63.1315(a), except that references to group determinations (i.e., total resource effectiveness) do not apply and owners or operators are not required to comply with §63.113.
[65 FR 38111, June 19, 2000]