Argentina
The Argentine Armed Forces has several CRBN response teams. For example, the Batallón de Ingenieros QBN 601 of the Argentine Army, was the first CRBN response team created, in the 90's, as a part of the country's Rapid Deployment Force. Civil Defense, and Firemen from Policía Federal Argentina teams also have CRBN training.
Read more about this topic: CBRN