For six years, they have been holding semi-annual Chemistry and Metallurgy Research Replacement Project (CMRR) public meetings.
The twice-a-year sessions are required as part of a 2005 consent order between the Department of Energy/Los Alamos National Laboratory and a host of community groups.
In the past, they have gotten somewhat contentious. On Tuesday night, though, at the Crossroads Bible Church, the meeting was quite civil and perhaps it was because some new information was introduced.
Surging to the forefront in the CMRR controversy is the issue of earthquakes.
LANL brought out its expert Larry Goen, who said there have been 222 earthquakes between 1973 and 2007 and 91 of them occurred within a 20-kilometer radius of the lab.