It varies from place to place, but the trend is away from them. I recently did a basis-of-design study for another R1 institution, and they said in no uncertain terms that they wanted to decommission the existing central system in their circa-1990 lab tower. Facilities departments often find them to be a PITA to manage and maintain, versus just requiring researchers to neutralize their acid waste before putting it down the sink, or collecting other hazardous waste to be taken away by a service