Iowa vape regulation takes hit at Eighth Circuit Courthouse News Service A recent state law that would have banned the sale of most vaping products in Iowa has been blocked by a federal judge. Saying the state overstepped its authority in passing the Flavored Vapes are Banned in Some States but It Hasn't Killed Vaping Nicotine vape devices are now accepted for safe disposal at the @Iowa City Landfill & Recycling Center's Hazardous Material Collection Facility. Vape devices contain toxic nicotine and lithium ion batteries. Improper disposal of