It allowed him to dump contaminated containers 12 miles east of Winthrop, creating the nation's shallowest disposal area for radioactive debris.
22.
An explosion at the maximum depth achievable so far would throw thousands of tons of highly radioactive debris into the air.
23.
The clean-up, which involved simply burying untreated long-lived radioactive debris in holes in the ground, was totally unsatisfactory according to Parkinson.
24.
Missile launches and nuclear testing halted until the radioactive debris was dumped and soils were recovered and the launch emplacement rebuilt.
25.
A "'fallout shelter "'is an enclosed space specially designed to protect occupants from radioactive debris or fallout resulting from a nuclear explosion.
26.
To better forecast fallout distribution, the military began taking samples of radioactive debris from a mushroom cloud within minutes after a blast.
27.
Additionally, " venting " of underground tests by the US and Soviet Union also continued to release radioactive debris into the atmosphere.
28.
This avoided mishaps, such as occurred with Kosmos 954, which broke up over Canada in 1978, showering the Earth with radioactive debris.
29.
Once that is dealt with, health authorities must consider how strong the explosion was and how far it may have flung radioactive debris.
30.
After the initial explosions, Chernobyl reactor No . 4 burned for several days, contaminating an estimated 20, 000 square miles with radioactive debris.
