Aboveground fuel tanks

At what age must an aboveground fuel tank be replaced? Is a property insurable with a fuel tank in the premises? Here are some resources:

1. Technical Standards and Safety Authority – www.tssa.org
Consumer information on aboveground fuel tanks – www.tssa.org/public/consumer/homeowners/consumerHome05.asp

2. Consult insurance companies for specifics on insurability of the property.