Historical
ANSI/(NFPA)T2.13.5-1991 (R2007)
Hydraulic fluid power - Industrial systems - Practice for the use of high water content fluids
Provides a general educational publication covering the following aspects of High Water Content Fluids used in hydraulic fluid power systems: product description, mixing and control of water quality and concentration, operating temperature, foaming and aeration, corrosive properties, effects on protective coatings, wear resistant characteristics, viscosity control, fluid stability, safety in exposure to fluid, spills, contamination, effects on elastomers, piping and accessory precautions, changing fluids in a system, and system design.
National Fluid Power Association [nfpa-fluid]