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New England had about 3% more heating degree days from December through February, compared with the same period of 2013-14, but December’s HDD total was about 14% less than December 2013, while this February’s HDD total was about 22% more than February 2014.

Understanding Plastic Additives


Ozone An Advanced Oxidation Process


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1. Formulation and Brand vs. Generic Options

Chemical Properties


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