Nearly half of returned U.S. bases in Korea exceed cancer-chemical standards.

Evidence

At fourteen of the thirty-four bases the U.S. military recently agreed to return to South Korea, the levels of chemicals linked to cancer in humans exceeded South Korean standards. — David Vine, Base Nation_ How U.S. Military Bases…, 407

Categorization

• corroborated: 2 independent passages support this claim — David Vine, Base Nation_ How U.S. Military Bases…, 407