| #R001 | administrative | operational | mandatory | Incorporation of Effluent Guidelines into Permits | wastewater | The Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers (See Pretreatment Program). | Applies to direct and indirect dischargers within the ferroalloy manufacturing industry | high |
| #R002 | administrative | operational | guidance | Applicability Verification Requirement | wastewater | For precise definitions of coverage, see the applicability sections in 40 CFR Part 424. | When determining if a specific facility or operation is covered by the Ferroalloy Manufacturing category | high |
| #R003 | administrative | operational | mandatory | Incorporation of Effluent Guidelines into NPDES Permits | wastewater | The requirements are incorporated into NPDES permits. | Applies to wastewater directly discharged by slaughterhouses, further processors, independent renderers, and poultry processors. | high |
| #R004 | administrative | operational | mandatory | Applicability of Meat and Poultry Products Regulation | wastewater | The regulation (40 CFR Part 432) covers wastewater directly discharged by slaughterhouses, further processors, independent renderers, and poultry processors. | Applies to direct dischargers in the meat and poultry processing industry. | high |
| #R005 | administrative | operational | mandatory | NPDES Permit Incorporation Requirement | wastewater | The regulatory requirements are incorporated into NPDES permits. | Applies to landfills discharging wastewater to surface waters under 40 CFR Part 445 | high |
| #R006 | operational | treatment | mandatory | RCRA Leachate Collection Requirement | wastewater | RCRA regulations require landfill operators to collect the leachate produced by the landfill. | Applicable to landfill operators under RCRA regulatory authority | high |
| #R007 | administrative | operational | mandatory | Direct Discharge Regulation Applicability | wastewater | Landfills discharging directly to surface waters are subject to the Effluent Guidelines regulation. | Applies to landfills with direct discharge to surface waters; excludes captive landfills already regulated by other industry standards | high |
| #R008 | operational | operational | mandatory | Effluent Limit Compliance Obligation | wastewater | Landfill operators may choose the technologies best suited for their sites so long as the wastewater discharged from their facilities meet the effluent limits set by the regulation. | Applies to both hazardous and non-hazardous landfill operators discharging wastewater | high |