Assessment of the Risk of Cancer Posed by Rubber Mulch & Infill

This letter-report from noted toxicologist, Laura C. Green, Ph.D., D.A.B.T., details evidence that leads her to conclude that rubber mulch for playgrounds and crumb rubber infill for synthetic turf sports fields “… is neither known nor reasonably expected to cause cancer, and is otherwise safe for use.” Significantly, she further states, “More generally, no type of cancer in adolescents is known to be caused by over exposure to chemicals.”

View/Download PDF to read Dr. Green’s entire report.