Tag Archives | Carbon monoxide

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Carbon monoxide in atmosphere: threshold from 50 to 250 mg/Nmc

Carbon monoxide in the atmosphere: threshold value changed from 50 to 250 mg / Nmc, applicable for an asphalt production plants and established by a Services Conference in Tuscany, in response to a “particular” application of Decree February 5, 1998 concerning to the recovery of road milled 17.03.02 CER “at cold temperature.” Generally the existing asphalt production…

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