Surface Cleaning Laboratory Case Study #3: A.W. Chesterton Company, Inc., Groveland, MA. 1995.
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Agitated aqueous cleaning combined with manual scrubbing proved successful for cleaning stainless steel and cast iron parts contaminated with epoxy resins and curing agents. Tests were performed to determine an acceptable replacement for a methanol, xylene and methyl ethyl ketone (MEK) cleaning operation. Potential operator exposure to solvents will be eliminated and waste disposal problems reduced when the hazardous solvents are substituted with an aqueous cleaning process. The company estimates a significant cost savings over solvent cleaning.