‘A Gross And Frank Example Of Regulatory Failure’

In 1974, the National Institute for Occupational Safety and Health recommended an exposure limit for silica dust that would be twice as tough as the existing limit for coal miners and other workers. Federal regulators did not respond until the 1990s.


Bill Clinton administration

(1993-2001)


George W. Bush administration

(2001-2009)


Barack Obama administration

(2009-2017)


Donald Trump administration

(2017-present)