Comprehensive Cleanup Needed Instead of More Nuclear Weapons
The New Mexico Environment Department has announced:
“A toxic chromium plume from Los Alamos National Laboratory has spread beyond Lab boundaries onto Pueblo de San Ildefonso land for the first time, with contamination exceeding state groundwater standards… These new results are conclusive evidence that the U.S. Department of Energy’s efforts to contain the chromium plume have been inadequate.”
In reality, chromium groundwater contamination probably migrated beyond the LANL/San Ildefonso Pueblo boundary long ago, with past Lab maps of the plume “magically’ stopping at the border. In the past, tribal leadership has commented that it was fortunate that the contamination stopped there, but that any future indications of groundwater contamination on Pueblo land could have serious consequences. The San Ildefonso Pueblo is a sovereign Native American tribal government.
As late as the late 1990s the Lab was falsely claiming that groundwater contamination was impossible because underlying volcanic tuff is “impermeable.” [1] This ignored the obvious fact that the Parajito Plateau is heavily seismically fractured, providing ready pathways for contaminant migration to deep groundwater. By 2005 even LANL acknowledged that continuing increasing contamination of the regional aquifer is inevitable.[2] Some 300,000 northern New Mexicans rely upon the aquifer for safe drinking water. The potential serious human health effects (including cancer) caused by chromium contamination was the subject of the popular movie Erin Brockovich.
The real shame is how ineffective Lab cleanup of the hexavalent chromium plume is. First, even after 18 years, LANL and DOE still don’t know the boundaries of the plume, all the while claiming it’s not on San Ildefonso Pueblo Land (maybe LANL should deprioritize expanded nuclear weapons production and focus on that). Second, this is our common “sole source” (EPA special designation) aquifer that is one of the primary sources of drinking water for the cities of Santa Fe, Española, and Los Alamos, eleven Pueblos and all of the Española Basin’s rural areas. Third, hex chromium is the carcinogen made notorious in the popular movie Erin Brockovich. Fourth, it is estimated that 160,000 pounds of chromium were released up until 1972, but only 10% (i.e. ~16,000 pounds) has been recovered through extraction and treatment. When the head of DOE Environmental Management Los Alamos Office was asked where’s the rest of the chromium, Michael Mikolanis demurred and said that he would have to get back on that question.