What health science professional sees patients three times a week for a procedure to filter wastes from their bloodstream?

immunoloigist

Explanation:

Immunology, as a science, is the specialty that studies the antigens and the diseases caused by them. The immunologist is the clinical responsible for treating the effects of these antigens on our body, indicating prevention and treatment of these foreign bodies that can cause disease in our body. This doctor is able to treat patients three times a week for a procedure to filter out waste from the bloodstream, in situations where the kidneys are not functioning properly.

answer; clean work space and clothing using compressed air;