Yes, there are different emission limits for small rural, small, medium, and large HMIWI. To determine the size category of your HMIWI, consult the definitions in 40 CFR 62.14490.
Cross-references to the CFR
40:62.14490.
40 C.F.R. § 62.14410: Are there different emission limits for different locations and sizes of HMIWI? | Justis AI