MIL-T-24494 Revision B, October 19, 1988
TETRA-, TRI-, AND DISODIUM SALTS OF ETHYLENEDIAMINETETRAACETIC ACID (EDTA) WATER TREATMENT CHEMICALS, BOILER, SHIPBOARD USE
The type I EDTA covered by this specification is for cleaning boilers. The type II EDTA covered by this specification is for use in the treatment of boiler feedwater for marine boilers on Naval ships. The type III EDTA is for cleaning boilers.