Massingham, Gordon <br/><br/>
Introduction to hazardous chemicals  [videorecording] / 
produced and directed by Gordon Massingham 
 - Massachusetts :  A Detrick Lawrence Production ,  1998 
 - 1 videocassette (VHS) ( 30 min. ) :  sd. col. ;  1/2 in. +  1 leader's guide 
<br/><br/>Editor, Jane Christopher  Editor, Jane Christopher 
<br/><br/>Narrator: Joe Glotta 
<br/><br/><label>ISBN: </label> RM1828.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hazardous substances