Continuing the trend

A man walks past a notice for the Martin Aaron Inc. Superfund site in Camden, N.J. on Dec. 11, 2017. (Matt Rourke/AP File)

WASHINGTON — A lawyer tapped to lead a task force at the Environmental Protection Agency overseeing cleanups at the nation’s most polluted places worked until recently for a top chemical and plastics manufacturer with a troubled legacy of creating some of those toxic sites.