Susan Biddle Ross is a character on Seinfeld, played by Heidi Swedberg. Susan, an executive at NBC, first appeared in the season 4 episode  The Pitch , in which Jerry Seinfeld and George Costanza pitched the idea for their sitcom to Susan and her fellow executives.
The best solution is to remove the tank and drain it. You can also try and siphon out as much as you can and put STP Gas treatment or any other alcohol based de icer in. It will take several cans of this plus fresh gasoline. If water has reached your fuel filter this will have to be replaced also.
Submit. Â· just now. Report Abuse. Hydrogen: Put a light splint in the gas, and listen for a squeaky pop that tells you there is Hydrogen Oxygen: Light a splint, blow it out so that there are still some hot embers on it, then put it in. If it re-lights, there's oxygen Carbon Dixoide: Pass the gas through limewater.eport Abuse. Squeaky pop test for hydrogen-put a lit flame in it and if it makes a popping sound then hydrogen is present Combustion test for oxygen-burn something in it if it combusts fully then oxygen is present Lime water test for carbon dioxide-if the lime water goes cloudy CO2 is present. MOO Â· 7 years ago.