Illinois · Regulations
Subpart I
5 sections
5 sections
- 35 Ill. Adm. Code 370.900Trickling Filters
- 35 Ill. Adm. Code 370.910Rotating Biological Contactors (Repealed)
- 35 Ill. Adm. Code 370.915Rotating Biological Contactors
- 35 Ill. Adm. Code 370.930Waste Stabilization Ponds and Aerated Lagoons
- 35 Ill. Adm. Code 370.940Intermittent Sand Filtration for Secondary Treatment