Osha regulated hazardous substances :  Healt, toxicity, economic, and technological data / 
Occupational safety, and health administration, u.s. department of labor 
 - 2 volúmenes 
<br/><br/><label>ISBN: </label>0815512406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustancias naturales--Manuales, etc.
<br/><br/><label>LC Class. No.: </label>T55.3H3  / O743