https://www.isa.org/products/ansi-isa-77-42-01-2019-fossil-fuel-power-plant-fee
ANSI/ISA-77.42.01-2019, Fossil Fuel Power Plant – Feedwater Control System
Design and control requirements for feedwater systems in fossil fuel power plants to maintain safe, reliable and efficient boiler operation.
fossil fuel powerfeedwater controlansiisaplant