PPC Refinery (UK) must close down an out-of-date refinery which has very poor environmental performance.

PPC Refinery (UK) must close down an out-of-date refinery which has very poor environmental performance. The refinery is very sophisticated with many technically complicated machineries, lubricants, coolants and other chemical substances. Decommissioning the refinery is highly risky and hazardous. To manage the decommissioning process well, PPC project team must know these machineries and substances in details. Which document can provide the technical details on the refinery?