A federal grand jury sitting in Boston has handed up a 135-count indictment against six employees of Aggregate Industries NE Inc., Saugus, Mass., for allegedly supplying at least 50,000 cu yd of inferior concrete to the $14.6-billion Central Artery/Tunnel job
The 40-page document charges that the six conspired to defraud the government by providing non-specification concrete and falsifying batch slips. The concrete was used in the Interstate 90 and 93 tunnels. The I-93 tunnel has been under repair for leaks.