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printech, March, 2003
Re: Hazardous Wastes


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From: Gary Jones ( gjonesprinting@aol.com )
Date: Tue, 25 Mar 2003 22:08:35


One of the most important aspects of measuring hazardous waste is the definition of what constitutes "hazardous" waste. In the US, there is a very specific definition of hazardous waste and I would suggest that if you are interested, please see the fact sheet, What is a Hazardous Waste, at www.pneac.org or http://www.pneac.org/sheets/all/whatisahazwaste.cfm.

In terms of measurement, the USEPA requires that hazardous waste be measured in pounds. This means that the volume of all liquid hazardous wastes, such as cleaning solvents, need to be converted to weight. The most common hazardous wastes generated from lithographic printing operations is cleaning solvents, due to their flash point being below 140oF. Waste ink is usually not considered hazardous. Oil is not considered hazardous by EPA, but many states do regulate oil as a state hazardous waste.



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