1) General:
   a) Aboveground vs. below-ground
       i) advantages and disadvantages
       ii) containment schemes
   b) Steel vs. plastic
   c) Regulatory matrix
       i) federal, state, local
   d) Be able to decide, based on tank contents, which federal regulations the tank would come under, same for state and local.
2) Main source of leaks for u/g metal, tanks and pipes
3) Four main design considerations:
4) Inspection and inspectability
5) Secondary containment
6) Leak detection, tightness testing, limitations