The Democrat tells The Associated Press that many of the reusable grocery bags sold nationwide are manufactured in China.
Schumer plans to announce Sunday that he is contacting the Food and Drug Administration, the Environmental Protection Agency and the Consumer Product Safety Commission.
There is less concern the lead would easily rub off on food when the bags are new, but there is a concern that as bags wear down, lead could accumulate in landfills, creating a potential environmental hazard.
Last week, the Tampa Tribune found some bags had lead levels that concerned health officials.
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