40 CFR 141.562 - My system only has two or fewer filters
Yes, if your system only consists of two or fewer filters, you may conduct continuous monitoring of combined filter effluent turbidity in lieu of individual filter effluent turbidity monitoring. Continuous monitoring must meet the same requirements set forth in § 141.560(a) through (d) and § 141.561.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.