The legislative intent of this chapter is to protect the public health by establishing standards and provisions for the regulation of food establishments; by delegating authority to the board of health and welfare to adopt rules covering the health and sanitation aspects of food establishments, to collect a fee to cover a portion of the cost of the food safety inspection program and by delegating the authority to the director of the department of health and welfare to enforce the provisions of this chapter. This chapter is enacted to ensure that consumers are not exposed to adverse health conditions arising out of the operation of food establishments.