There is really not a lot to worry about buried vs above ground propane tanks. Really only difference is cost to install or maintenance to repair a leaky valve. A underground tank is not the same as a topside tank. Obviously corrosion and cathodic protection a premium on subsurface tanks. Homeowners of above ground tanks will use proper paint to cover a ding or scratch before rust sets in. The coatings on underground tanks are the same as buried transport pipes buried all throughout the USA. Your fine with underground 30 to 40 years probably longer. Anymore info contact Hank Hill!
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"The victim stance is a powerful one. The victim is always morally right, neither responsible nor accountable, and forever entitled to sympathy."
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