PART 503—STANDARDS FOR THE USE OR DISPOSAL OF SEWAGE SLUDGE
- SUBPART A—General Provisions (§503.1 to §503.9)
- SUBPART B—Land Application (§503.10 to §503.18)
- SUBPART C—Surface Disposal (§503.20 to §503.28)
- SUBPART D—Pathogens and Vector Attraction Reduction (§503.30 to §503.33)
- SUBPART E—Incineration (§503.40 to §503.48)