. >> fox 28 news reporter melanie moore spoke with leaders already operating under the proposed guidelines. >> reporter: something already in place in coralville and north liberty could come to the county. >> here in north liberty is we have an ordinance on smoke free zones, iowa code 142. the thing you need to know feet to the entrance of a building. >> reporter: if approved, that same rule would be applied county wide. and e-cigarettes would be included. >> the johnson county department of health came to us to educate us on e-cigarettes and how, you know, the vapor, county now, looking for a county-wide ordinance to fill in all the rest of the county. beardsley says public health is talking with ?iowa city leaders about adding the 25 foot requirement to the city's ordinance.there are some things in e- such as volatile organic 25--- on adding the 25-foot limit on the ordinances. >> there's chemicals, formaldehyde, heavy metals, and the nicotine that can be harmful to health. >> reporter: public health authorities are also talking to county leaders, hoping to persuade them to adopt the pro