25 Pa. Code § 123.41 - Limitations
A person may not permit the emission into the outdoor atmosphere of visible air contaminants in such a manner that the opacity of the emission is either of the following:
(1) Equal to or greater than 20% for a period
or periods aggregating more than 3 minutes in any 1 hour.
(2) Equal to or greater than 60% at any time.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.