During warmer months, heat from warm air is transferred to the heat exchanger and into the fluid. As it moves through the pipes, the heat is dispersed to the rocks, soil, and groundwater. The pump is reversed during the colder months. Heat energy stored in the relatively warm ground raises the temperature of the fluid. The fluid then transfers this energy to the heat pump, which warms the air inside the building.
While individual states generally govern how long medical records are to be retained â HIPAA. rules require a Medicare Fee-For-Service provider to retain required documentation for six. years from the date of its creation or the date when it last was in effect, whichever is later.
dation that records be kept for at least eight to ten years after the date of last treatment. HAWAIIâS25-YEAR RETENTION LAW Hawaii law requires that medical records be retained for a minimum of seven (7) years after the last en-try. After seven years, medical re-cords can be destroyed, but basic information must be retained for