| #Q001 | administrative | operational | guidance | Applicability and Coverage Determination | wastewater | The NAICS listing is provided as a guide and does not define the coverage of the Canned and Preserved Fruits and Vegetables category. For precise definitions of coverage, refer to the applicability sections in 40 CFR Part 407. | | medium |
| #Q002 | administrative | reporting | mandatory | NPDES Permit Incorporation | wastewater | The Coal Mining Effluent Guidelines and Standards are incorporated into NPDES permits. | Applicable to wastewater discharges from mine drainage, coal storage facilities, and coal preparation plants | high |
| #Q003 | administrative | operational | mandatory | Applicability and Coverage Determination | wastewater | For precise definitions of coverage, see the applicability sections in 40 CFR Part 434. | The NAICS listing (21211) is provided as a guide and does not define the coverage | high |
| #Q004 | administrative | operational | mandatory | Coal Mining Regulation Applicability | wastewater | Note: the NAICS group listing is provided as a guide and does not define the coverage of the Coal Mining regulations. For precise definitions of coverage, see the applicability sections in 40 CFR Part 434. | Applicable to Coal Mining (NAICS code 21211) | high |
| #Q005 | administrative | operational | mandatory | NPDES and Pretreatment Permit Incorporation | wastewater | The CWT Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers (see Pretreatment Program). | | high |
| #Q006 | administrative | operational | mandatory | Full Coverage and Exclusion Verification | wastewater | See the applicability and definitions sections in 40 CFR Part 437 for complete descriptions of coverage and exclusions. | | high |
| #Q007 | administrative | operational | mandatory | Transportation Equipment Cleaning Applicability Condition | wastewater | Facilities that treat wastewater that results from cleaning tanker trucks, rail tank cars, or barges may be subject to the CWT effluent guidelines if not subject to the Transportation Equipment Cleaning Effluent Guidelines (40 CFR Part 442). | Applicable if not subject to 40 CFR Part 442 | high |
| #Q008 | administrative | reporting | mandatory | Dairy Products Processing Effluent Guidelines Incorporation | 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). | Applicable to direct and indirect dischargers within the Dairy Products Processing industry. | high |
| #Q009 | administrative | operational | mandatory | Coverage Definition Verification | wastewater | For precise definitions of coverage, see the applicability sections in 40 CFR Part 405. | The NAICS listing (group 3115) is provided as a guide and does not define the coverage of the Dairy Products Processing category. | high |