The second chemical is n't believed to pose new health risks , the CDC says . Comment: A state official called the late disclosure `` completely unacceptable '' The January 9 leak prompted a do-not-use order for up to 300,000 people .
The second chemical is n't believed to pose new health risks , the CDC says . It escaped from the same tank that leaked on January 9 outside Charleston . A state official called the late disclosure `` completely unacceptable '' The January 9 leak prompted a do-not-use order for up to 300,000 people .