Within available funds, medical aid coverage under chapter 51.36 RCW and medical insurance shall be provided to all volunteers under this program. The department shall give notice of medical aid coverage to the director of labor and industries upon acceptance of the volunteer into the program. The department shall not be deemed an employer of any volunteer under the Washington serves program for any other purpose. Other provisions of law relating to civil service, hours of work, rate of compensation, sick leave, unemployment compensation, old age, health and survivor's insurance, state retirement plans, and vacation leave do not apply to volunteers under this program.