Use of Environmental Forensics In Drycleaning Investigations
Use of Environmental Forensics In Drycleaning Investigations
Use of Environmental Forensics In Drycleaning Investigations
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Metal Cleaning v. Dry Cleaning (a)Metal Cleaning Traditionally contained a higher concentration<strong>of</strong> additives than most dry cleaning grades. Classes include acidacceptors, antioxidants, and UV stabilizers. Antioxidants includeamine or phenolic compounds 50 – 200 ppm and acid acceptorsepoxide 0.2-0.7%. Early PCE formulations included alkylaminesand other hydrocarbons. Later stabilizers included morpholinederivatives, epoxides, esters and phenols.Dry Cleaning Traditionally contained a high concentration <strong>of</strong>additives, usually <strong>of</strong> a high purity and different types <strong>of</strong> additives.DOWPER-C-S contains a water soluble detergent, a corrosioninhibitor, an anti-static compound, “hand agent” compounds, anda fatty acid scavenger.