Fayette County emergency management director Guy Napolillo says many dyes are biodegradable and Poister says the DEP is investigating just to make sure there were no chemicals in the dye that might harm fish or humans.

Fayette County emergency management director Guy Napolillo says many dyes are biodegradable and Poister says the DEP is investigating just to make sure there were no chemicals in the dye that might harm fish or humans.