Questions regarding this issue? The State of Michigan Environmental Assistance Center can be contacted at 800-662-9278 or by email at [email protected]. Representatives may be reached to assist with questions Monday – Friday, 8:00 AM to 4:30 PM. If they are concerned about exposure to PFAS in drinking water, please contact the Michigan Department of Health and Human Services Toxicology Hotline at 800-648-6942.