W.R. Grace has agreed to pay a record $250 million to reimburse the federal government for the costs of the investigation and cleanup of asbestos contamination in Libby, Mont. According to the Justice Department and Environmental Protection Agency, the payout will be the largest in the history of the Superfund program, but people in the EPA say it may not come close to paying to remove the lethal fibers from the community, which earlier was estimated to cost far more... [In] 1999,...the Seattle P-I first reported that hundreds of miners and their family members had died or were sickened by exposure to asbestos fibers contaminating the vermiculite ore....[and that] hundreds of Grace documents...showed the company knew that its ore was dangerous and that the miners were being sickened and killed by it, but never warned them of the hazard... Grace's problems are far from over... [A] 10-count criminal indictment [is pending] against seven senior current and former Grace officials alleging conspiracy, knowing endangerment, obstruction of justice and wire fraud for endangering the people of Libby by concealing the well-documented hazards of the tremolite asbestos...