ABSTRACT
Standards, and Pretreatment Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297 7.11.1 Effl uent Limitations, Performance Standards, and Pretreatment
Standards of the Steel Basis Material Subcategory . . . . . . . . . . . . . . . . . . . . . . . 297 7.11.2 Effl uent Limitations and Performance Standards of the Galvanized
Basis Material Subcategory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298 7.11.3 Effl uent Limitations and Performance Standards of the Aluminum
Basis Material Subcategory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 7.11.4 Effl uent Limitations, Performance Standards, and Pretreatment
Standards of Canmaking Subcategory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302 7.12 Technical Terminologies of Coil Coating Operations and Pollution Control . . . . . . . . . . 304 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
The U.S. coil coating industry consists of about 80 plants processing approximately 1.5 billion square meters of painted coil each year. Facilities vary in size and corporate structure, ranging from independent shops to captive operations. Independent shops obtain untreated coil, conversion coating chemicals, and paints, and produce a wide variety of coated coil. Typically, the annual production at these coil coating plants is low compared to that from the captive coating operations. The captive coil coating operation is usually an integral part of a large corporation engaged in many other kinds of metal production and fi nishing.