Big problem here in Central IN....I have my own and have them filled each time...keep 1 full at all times, when 1 runs out, hook up the full 1, place the 1 to be filled by my garage door to remind me to fill it...I take the old ones that are now out-dated to the gas co. who will dispose of them...anhydrous thefts are down around here now that we have educated applicators and farmers, but, as you now know, they are manufacturing their own...you can't miss the spell, so if any of you "spell" something coming from storage areas, abandoned buildings, anything that doesn't seem "right" to you...call your local police...may be nothing, but you just don't know today...