] McWane Inc., a major manufacturer of cast-iron pipes and
] one of the nation's most persistent violators of
] workplace safety and environmental laws, is the target of
] a federal criminal investigation, according to law
] enforcement officials and current and former employees
] who have been questioned in the inquiry.

Someone blogged this a few months ago ... looks like the feds are starting to take interest in the case.

Criminal Inquiry Under Way at Large Pipe Manufacturer