| #R001 | administrative | operational | mandatory | Direct Discharger Regulatory Coverage | wastewater | The regulation covers direct dischargers. The Effluent Guidelines and Standards are incorporated into NPDES permits. | Applicable to direct dischargers in the plastics molding and forming industry | high |
| #R002 | prohibition | operational | mandatory | Regulation Process Exclusions | wastewater | The PM&F regulation does not apply to the following: wastewater generated during the reticulation of polyurethane foam; processes used to produce regenerated cellulose; molding and forming operations that process regenerated cellulose. | Applies to polyurethane foam reticulation and regenerated cellulose processes | high |
| #R003 | operational | operational | mandatory | Resin Manufacturer On-Site Processing Requirement | wastewater | Plastics molding and forming processes used by plastic resin manufacturers to process crude intermediate plastic materials, which are then further processed on-site into intermediate or final plastic products by molding and forming, are controlled by the PM&F regulation. | Applies when crude intermediate plastic materials are further processed on-site by resin manufacturers | high |
| #R004 | administrative | operational | mandatory | Regulatory Coverage and Permit Incorporation | wastewater | The regulation covers direct and indirect dischargers. The Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers direct dischargersA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans., and permits or other control mechanisms for indirect dischargers indirect dischargersA facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant). | Applicable to direct and indirect dischargers in the porcelain enameling industry | high |
| #R005 | prohibition | operational | mandatory | Precious Metals Exclusion | wastewater | The regulation does not apply to porcelain enameling on precious metals. | When the basis material consists of precious metals | high |
| #R006 | administrative | operational | guidance | Official Applicability Reference | wastewater | For precise definitions of coverage, see the Applicability sections in 40 CFR Part 466. | When determining specific facility coverage | high |
| #R007 | administrative | reporting | guideline | Regulatory Applicability Guidance | wastewater | For precise definitions of coverage, see the Applicability sections in 40 CFR Part 466. | | high |