http://blog.al.com/wire/2013/05/marines ... mp_le.html
A just-released study from the federal Agency for Toxic Substances and Disease Registry cited a February 1985 level for trichloroethylene of 18,900 parts per billion in one Lejeune drinking water well at nearly 4,000 times today's maximum allowed limit of 5 ppb. Given those kinds of numbers, environmental engineer Marco Kaltofen said even a testing method as inadequate as CCE should have raised some red flags with a "careful analyst."