The vapor in an empty 20lb can of refrigerant can reach preasures in excess of 100psi on a hot day. You can sure tell when you get a hit!
"I Don't Know Half Of You Half As Well As I Should Like; And I Like Less Than Half Of You Half As Well As You Deserve"
Article II: A Well Regulated Militia, Being Necessary To The Security Of A Free State, The Right Of The People To Keep And Bear Arms, Shall Not Be Infringed.
Article IV: The Right Of The People To Be Secure In There Persons, Houses, Papers, And Effects, Against Unreasonable Search And Seizures, Shall Not Be Violated, And No Warants Shall Issue, But Upon Probable Cause, Supported By Oath Or Affirmation, And Particulary Describing The Place To Be Searched, And The Persons Or Things To Be Seized.