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Office of Permitting and Compliance

Printing Operations

Printing operations involve the processes of transferring images or material onto a substrate. The industry is organized by type of printing process used: heatset offset and non-heatset offset lithography, rotogravure, flexography, screen, letterpress, digital, water-based - ultraviolet-cured- solvent based material flexographic or rotogravure.

Perchloroethylene Dry Cleaners

Dry cleaners are facilities engaged in the cleaning of fabrics in a nonaqueous solvent by means of one or more washes in a solvent, extraction of excess solvent by spinning, and drying by tumbling in an airstream. Such facilities include dry to dry machines, filter and purification systems; emission control equipment; waste disposal systems; holding tanks; pumps and attendant piping and valves.

Human Crematories

A human crematory is a facility containing one or more combustion units, known as cremators, used solely for the cremation of human bodies within appropriate containers. Cremators are usually made of high-grade steel plate and lined inside with heavy refractory tile or brick. Most cremators have a variety of automatic controls and use gas for heating the cremator.

Halogenated Solvent Degreasers

Solvent degreasing (or solvent cleaning) is the physical process of using organic solvents to remove grease, fats, oils, wax or soil from various metal, glass or plastic items. The three basic types of solvent cleaning equipment used in degreasing operations are categorized as batch vapor cleaners, in-line cleaners and batch cold cleaners.

Concrete Batching Plants

Concrete batching plants use equipment to produce concrete and concrete products by batching or mixing cements and other materials. Equipment used at a concrete batching plant includes silos, weigh hoppers (batchers), conveyors, mixer engines and auxiliary generators.

Chromium Electroplaters

Chromium plating and anodizing operations coat metal parts and tools with a thin layer of chromium to protect them from corrosion and wear. Electroplating is the process of applying a metallic coating to an article by passing an electric current through an electrolyte in contact with the article to form a surface having properties different from those of the article.

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