This standard BS ISO 3977-4:2002 Gas turbines. Procurement is classified in these ICS categories:
27.040 Gas and steam turbines. Steam engines
This part of ISO 3977 provides guidelines for procurement of gas turbines with consideration of the fuel quality and of the environmental performance. Guidance is given to both the packager and purchaser on what information should be provided with regard to the fuel used by a gas turbine, and with regard to the type of information necessary to quantify the expected environmental impact. Fuel specifications are referenced but not provided.