In 1980, the radioactive soil was rediscovered on McClure Crescent.
2.
Up to twice that volume of less radioactive soils have been tipped onto nearby industrial waste sites.
3.
Most safe areas have either been paved over or bulldozed, removing the top 40 inches of radioactive soil.
4.
An anti-nuclear group warned the fire could burn radioactive soil and spew contaminated particles into the air.
5.
Last year alone, cleanup crews removed 29 tons of radioactive soil from 12 contaminated building sites, most of them former garbage dumps.
6.
Some 10 years after the explosions, authorities gathered radioactive soil from the site, but need to do so again, the report said.
7.
In 2004, University of Pretoria's Botany professor Gretel van Rooyen rejected proposals of termite activity, radioactive soil, and of plant toxins.
8.
State officials said that if the contamination was serious enough, tons of radioactive soil and even the entire plant structure might have to be hauled away.
9.
The collected radioactive soil and other debris was buried in a landfill created within the former LE-1 area from June 2002 through November 11, 2002.
10.
In 2012 the Chicago Park District received funding from the EPA for remediation of the site, bagging the radioactive soil and shipping it to a Superfund site.
