Because of this, several organizations within the past three years have developed procedures that have
been described and used to either remove or destroy DBDS [5-7]. The method that was employed in the
Doble lab and by Power Substation Services in the field is a sodium dechlorination process. It is also a
time proven process and has been used in the transformer oil industry for over 20 years. Other
advantages include being able to perform the process on-line and reclaim and recondition the oil at the
same time.