Quote:
Originally Posted by spring_chicken
They are not speaking of the little propane tanks that fuel your grill. They are referring to buried 500 lb tanks that are allowed in TV.
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The tanks will be permanent and filled with a tanker truck with a hose. I am truly surprised that they allow as you noted in your reply, but have no reason to disagree. Propane is highly flammable with a boiling point of minus 44 degrees F. Also with a flash point of minus 155 degrees F. Which means any spark plugs at least 2.1% propane in air will ignite. Underground metal tanks eventually will rust which is why the testing is required. I remember the time I submitted a request to my boss to attend a "LUST" conference. Leaking Underground Storage Tanks. If your buying a home and the neighbor has a buried propane tank....suggest to walk. One unknowingly landscaper with a metal shovel and it would be catastrophic. Not to mention the nuisance noise from the programmed test run of the back up generator. Please note many of the middle of the line back up generators have motors with 4 cylinders, the size of a small car engine, including radiators and exhaust pipes....just like a car engine.
It would be very interesting if someone could confirm if there is a public record of buried tanks and their respective testing records.