Pipeline inspections from something in the neighborhood of 40,000 a year to about 90,000 this year. >> reporter: still as recently as 2008, kovac wrote this e-mail to a bp manager warning, we are expecting a major failure in alaska and next time bp may not be so lucky. these 2008 pictures from kovac show the risk that bp employees face everyday and the gas injection line snapped due to corrosion, and in response, bp's reinhardt says that the pipe missed the projection because it was covered in snow and never made it on to the to-do list. the worker said they had serious lapses due to corrosion...