RALEIGH — Up to 30 neighbors of Chemours will have their blood and urine tested, the state announced Tuesday, for the presence of GenX and related chemicals. The purpose of the testing is to determine if the compounds are present in the body fluids of residents living near the facility and how those levels compare to people from around the country.

Health officials began calling Bladen County and Cumberland County residents this week, starting with those whose wells tested highest for the compounds manufactured by the DuPont subsidiary. Due to DEQ testing capacity, participation will be limited to 30 individuals, with no more than two — one adult and one child between 12 and 17 years of age — from each home.

Samples will be send to the Centers for Disease Control for analysis. Blood will be tested for nine FPAS, and urine will be tested for GenX and seven other PFAS. Results will be shared with each individual, and anonymous results will be shared with the public when the testing is complete.

Anyone with questions is encouraged to the Department of Health and Human Services at 919-707-5900.