CLEANING PROCESSES used for removing soils and contaminants are varied, and their effectiveness depends on the requirements of the specific application. This article describes the basic attributes of the most widely used surface cleaning processes and provides guidelines for choosing an appropriate process for particular applications.

The processing procedures, equipment requirements, effects of variables, and safety precautions that are applicable to individual cleaning processes are covered in separate articles that follow in this Section of the handbook. Additional relevant information is contained in the articles "Environmental Regulation of Surface Engineering," "Vapor Degreasing Alternatives," and "Compliant Wipe Solvent Cleaners" in this Volume. Information about considerations involved in cleaning of specific metals is available in the Sections

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