My kids are out here playing and you don t know is it safe? they are walking around in chemical suits picking them up with gas masks. shannon: what is going on? david goad is chief of arkansas while life management. the fish kill. 100,000 fish in a 20-mile stretch. any clues what s happening in the arkansas river? i m not a fisheries biologist. but i spoke to our biologist and he thinks it s a concentrated disease or viral infection. there is a lab down at the university of arkansas pine bluff and they will be doing cultures and within a few days we ll know exactly what s going on, i think. shannon: when something like that happens in the river, is there a danger to people who have that as a water source downline? what would be the risk to