Discussion: The movie,Erin Brockovich, was based on a real-life legal case against the energy corporation, Pacific Gas and Electric. Legal action was taken against Pacific Gas and Electric for dumping the carcinogen, hexavalent chromium into the ground soil and ultimately contaminating the water supply in the town of Hinkley, CA. In the film, Erin fights for the rights of the citizens who have developed cancer due to PG&E's unethical behavior. Using this movie as a premise, discuss how environmental concerns affect the disposal of scrap, surplus, and obsolete materials. Examine the role the EPA, (Environmental Protection Agency) plays in material disposal.