TLVs and BEIs :  Based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents & Biological Exposure Indices / 
ACGIH 
 - 1a. ed 
 - Cincinnati :  ACGIH,  2011 
 - 228 p. :  il. 
<br/><br/><label>ISBN: </label>9781607260288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>QUÍMICA