EPA Self-Audit and Inspection Guide
Organic Finishing of Metals

Coil Coating Point Source Category (40CFR465.01 -- 40CFR465.46)

The following is a summary of the referenced federal rules, as published in the Code of Federal Regulations (CFR). This information is provided as an aide to help understand the requirements of the federal regulations, as they pertain to specific industrial or manufacturing operations. This information is not provided nor intended to act as a substitute for legal or other professional services. CFR citation numbers for each subpart are indicated, while the full text of the CFR citations can be viewed by clicking HERE and following the directions.

General Provisions (40CFR465.01 -- 40CFR465.04)

Applicability (40CFR465.01)
Coil coating or canmaking facilities that discharge pollutants to waters of the United States or to a publicly owned treatment works (POTW), must comply with the requirements of this part.

Monitoring and reporting requirements (40CFR465.03)
Facilities covered by Part 465 have special monitoring requirements, including a specified test method to determine oil and grease concentrations in wastewater samples and a written notification requirement for any canmaking facility that uses an aluminum alloy containing less than 1.0% manganese.

Subpart A -- Steel Basis Material subcategory (40CFR465.10 -- 40CFR465.15)

Applicability; description of the steel basis material subcategory (40CFR465.10)
Wastewater discharges from coil coating of steel basis material coils are covered in this subpart.

Effluent limitations based on the best practicable control technology currently available (40CFR465.11)
Existing dischargers must meet both daily maximum and monthly average effluent concentrations, that are based on the best practicable control technology (BPT) currently available, for the following constituents: chromium, cyanide, zinc, iron, oil & grease, total suspended solids (TSS), and pH.

Effluent limitations based on the use of the best available technology economically achievable (40CFR465.12)
Existing dischargers must meet both daily maximum and maximum monthly average effluent concentrations, that are based on the best available technology economically achievable (BAT), for the following constituents: chromium, cyanide, zinc, and iron.

New source performance standards (40CFR465.13)
New point source discharges must meet more stringent daily maximum and monthly average effluent concentrations by using the best practicable control technology (BPT) currently available for the following constituents: chromium, cyanide, zinc, iron, oil and grease, total suspended solids (TSS), and pH.

Pretreatment standards for existing sources (40CFR465.14)
Existing dischargers to a POTW must meet both daily maximum and monthly average effluent concentrations for the following constituents: chromium, cyanide, and zinc.

Pretreatment standards for new sources (40CFR465.15)
New dischargers to a POTW must meet both daily maximum and maximum monthly average effluent concentrations for the following constituents: chromium, cyanide, and zinc.

Subpart B -- Galvanized Basis Material Subcategory (40CFR465.20 -- 40CFR465.25)

Applicability; description of the galvanized basis material subcategory (40CFR465.20)
Wastewater discharges from coil coating of galvanized basis material coils are covered under this subpart.

Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (40CFR465.21) average effluent concentrations, that are based on the best practicable control technology (BPT) currently available, for the following constituents: chromium, copper, cyanide, zinc, iron, oil & grease, total suspended solids (TSS), and pH. economically achievable (40CFR465.22) copper, cyanide, zinc, and iron.

New source performance standards (40CFR465.23) and maximum monthly average effluent concentrations by using the best practicable control technology (BPT) currently available for the following constituents: chromium, copper, cyanide, zinc, iron, oil and grease, total suspended

Pretreatment standards for existing sources (40CFR465.24)
Existing dischargers to a POTW must meet both daily maximum and maximum chromium, copper, cyanide, and zinc.

Pretreatment standards for new sources (40CFR465.25)
New dischargers to a POTW must meet both daily maximum and monthly copper, cyanide, and zinc.

Subpart C -- Aluminum Basis Material Subcategory (40CFR465.30 -- 40CFR465.35)

Applicability; description of the aluminum basis material subcategory (40CFR465.30)
Wastewater discharges from coil coating of aluminum basis material coils are covered under this part.

Effluent limitations based on the use of the best practicable control technology currently available (40CFR465.31) cyanide, zinc, aluminum, oil & grease, total suspended solids (TSS), economically achievable (40CFR465.32) effluent concentrations, that are based on the best available technology cyanide, zinc, and aluminum.

New source performance standards (40CFR465.33) control technology (BPT) currently available for the following constituents: chromium, cyanide, zinc, aluminum, oil and grease, total suspended solids (TSS), and pH.

Pretreatment standards for existing sources (40CFR465.34)

Pretreatment standards for new sources (40CFR465.35)

Subpart D – Canmaking Subcategory (40CFR465.40 -- 40CFR465.46)

Applicability; description of the canmaking subcategory (40CFR465.40)
Wastewater discharges from the manufacturing of washed seamless can bodies are covered under this subpart. control technology currently available (40CFR465.41) zinc, aluminum, iron, phosphorous, oil & grease, total suspended solids economically achievable (40CFR465.42) zinc, aluminum, iron, and phosphorous.

New source performance standards (40CFR465.43)
New point source discharges must meet more stringent daily and maximum monthly average effluent concentrations by using the best practicable control technology (BPT) currently available for the following constituents: chromium, zinc, aluminum, iron, phosphorous, oil and grease, total suspended

Pretreatment standards for existing sources (40CFR465.44) copper, zinc, iron, manganese, phosphorous, total toxic organics (TTO), and oils & grease.

Pretreatment standards for new sources (40CFR465.45) and oil & grease.