This specification applies to a concentrated inhibited phosphoric/oxalic acid-based solution that when diluted with water, will remove rust stains from painted ferrous surfaces in the presence of small amounts of grease and oil, or other painted metal surfaces stained by rust, e.g. ships and other marine equipment and structures.

The testing and evaluation of a product against this specification may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this specification has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.