StacksVerified U.S. regulatory reference

40 CFR Part 98, Table JJ-4

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Type of solids separationVolatile solids removal (decimal)Nitrogen removal (decimal)
Gravity0.60.6
Mechanical:
Stationary Screen0.20.1
Vibrating Screen0.150.15
Screw Press0.250.15
Centrifuge0.50.25
Roller drum0.250.15
Belt press/screen0.50.3