WASHINGTON (AP) — Democratic lawmakers joined scores of scientists, health providers, environmental officials and activists Tuesday in denouncing an industry-backed proposal that could limit dramatically the scientific studies the Environmental Protection Agency considers in shaping protections for human health.

If adopted by the Trump administration, the rule would allow an EPA administrator to reject study results in making decisions about chemicals, pollutants and other health risks if underlying research data is not made public because of patient privacy concerns or other issues.

Opponents...