Question: what is a trc violation?
Answer: Technical Review Criteria (TRC) violations are defined at 40 CFR Part 403.8(f)(2)(vii)(B) as violations in which 33% or more of all measurements taken during a six month window exceed the product of the daily maximum limit or the average limit multiplied by the applicable TRC (TRC=1.4 for BOD,TSS,fats,oil,and grease, ...