Toxic waste  [videorecording] / 
Hawkhill Associates ; writer [and] producer, Bill Stonebarger 
 - Wisconsin :  Hawkhill Associates,  2004 
 - 1 videodisc (DVD) (38 min) :  sd., col. ;  12 cm. + 1 guided questions and mastery quizzes 
<br/><br/> Title from title screen  This dvd has special guided questions and mastery quizzes 
<br/><br/>Music, Michael Stonebarger ; graphics, Lin Haley, Dong Normington, Michael Stonebarger  Music, Michael Stonebarger ; graphics, Lin Haley, Dong Normington, Michael Stonebarger 
<br/><br/> Experts discuss the creation and disposal of toxic wastes and their environmental effects and helps in better understand the science of toxicology 
<br/><br/><label>ISBN: </label> RM682.57 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hazardous wastes<br/>Environmental toxicology<br/>Pollutions