Yes, but there are two ways that could be interpreted. It could be interpreted as you are doing, but it could also be interpreted as meaning that the services necessary to prevent an immediate and serious danger to the health or safety of the public can only be “essential” services, as opposed to whatever else the board might find is necessary to prevent an immediate and serious danger. I think it's capable of two interpretations.
On February 15th, 2007. See this statement in context.