I think most PSD Teams are not "dabbling" in diving but are look at it as an expanded role. With a proper initial training program and frequent drills most FD based teams can be just as good and just as safe as full time teams. As an example, our team consists of members from our towns fire, EMS, police departments. All technician level divers must be certified as a public safety diver from a recognized organization (Dive Rescue International, PADI, etc.). Members must maintain their certification as specified by the certifying agency. They also need to attend a minimum of 75% of the annual training, which we train every month. They must also complete the PSD swim test and basic scuba review annually. Our team is considered one of the best in our state and we have proven that repeatedly. Our team also provides swiftwater rescue, surface water rescue, and surface ice rescue services as well. All of the team members want to be part of the team and follow all our training guidelines. As far as weaknesses in training, I think that just like recreational diving (just using as an example), if you do not use a skill you become less efficient at it. Frequent training allows us to hone,develop, and retain skills. If teams don't do this they become less efficient but also less safe and that is where the problem lies. I had this experience at a call last summer for a drowning incident. A team from another department arrived, they approached the area to search without a plan or the proper equipment. When I arrived with my team, incident command immediately put us in charge of dive ops. We developed a plan and executed it and recovered the victim in less than 2 minutes. I found out later that the other team had not done any training in the year following their initial certification. It showed.