REPLACED 2/1/2013 by IEST STD-CC1246E: Product Cleanliness Levels - Applications, Requirements, and DeterminationThis document is no longer being maintained as an IEST Recommended Practice and is for historical reference only. It may contain outdated material and has been superseded by a new version or another Recommended Practice. This Standard provides a basis for specifying product cleanliness levels and contamination control program requirements, with an emphasis on contaminants that affect product performance.