CAMP LEJEUNE - North Carolina's two U.S. senators say a federal health agency should conduct a cancer incidence study for the groundwater contamination at Camp Lejeune.
Sens. Kay Hagan and Richard Burr said Wednesday they wrote a letter to Kathleen Sebelius, U.S. Health and Human Services secretary. They told Sebelius that the Agency on Toxic Substances and Disease Registry should conduct the cancer study.
They're seeking a response no later than March 28. Rep. John Dingell of Michigan also signed the letter.
Health officials believe as many as 1 million people may have been exposed to tainted water between the 1950s and when drinking water wells were closed in the 1980s after being contaminated by leaking fuel tanks and an off-base dry cleaner.
ATSDR didn't respond messages from The Associated Press.
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