Under TSCA, top priority is given to the testing of chemicals on the market when the Act was passed; since the Act's passage, over 48,000 chemicals have been listed on the EPA's inventory of toxic substances, and data on toxic effects has been collected for about 90 percent of these chemicals.

Question

Quizplus · Accepted Answer

While over 48,000 chemicals have been listed on the EPA's inventory of toxic substances, data on toxic effects has not been collected for about 90 percent of these chemicals.

Under TSCA, Top Priority Is Given to the Testing of Chemicals