employee did at least one of the following: (a) rendered exceptional first aid or (b) made a successful rescue (e.g. from a burning building or vehicle, or from drowning). Blue Heart Award: may be presented to officers who received life-threatening injuries while acting judiciously and in the line of duty. Officers may be eligible to receive the Blue Heart Award in conjunction with another award such as the Meritorious Service Award or the Lifesaving Award. Injuries due to negligence or minor injuries not requiring hospitalization are not eligible. Meritorious Service Award: may be presented to officers who have distinguished themselves by one of the following: (a) conduct during a criminal investigation or law enforcement action while demonstrating a high level of courage or (b) actions resulting in the apprehension of a felon under dangerous or unusual circumstances. Award of Excellence: may be presented to classified or civilian employees who have distinguished themselves on or off duty by outstanding service to HPD or the community. Employees must have demonstrated a high degree of dedication and professionalism in an endeavor that does not meet any other award criteria. Hostile Engagement Award: may be presented to officers who acted judiciously in the line of duty and performed acts upholding the high standards of the law enforcement profession while engaging in hostile confrontations with suspects wielding deadly weapons. Individuals who sustained non-life-threatening or minor injuries resulting from an assault by a deadly weapon are also eligible. Humanitarian Service Award: may be presented to any individual (employee or not) who demonstrated a voluntary act of donating time, physical effort, financial support, or special talent promoting the safety, health, education, or welfare of citizens. The individual is not eligible if there was any personal gain, financial compensation, special services, or privileges in exchange for the act. Public Service Award: may be presented to any individual outside the department who voluntarily acted in circumstances requiring unusual courage or heroism while assisting a police officer or other citizen. Those who do not meet the above criteria, but provided a measure of assistance, shall be sent a letter and a Certificate of Appreciation (no citation page) signed by the Chief of Police. Chief of Police Unit Citation: may be presented to two or more employees who performed an act or a series of acts over a period of time that demonstrated exceptional bravery or outstanding service to the department