Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the
supply of gaseous fuels — Part 4: Code of practice for design, handling
and installation
Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels
— General requirements for automatic tank gauges — Part 3: Automatic
tank gauges for liquefied petroleum and chemical gases on board marine
carriers and floating storage