1.   The background radiation level was normal.

2.   Radiation levels in North Tyneside showed no significant change following the recent release of radioactive iodine from a Russian nuclear plant, said a council spokesman.

3.   And of food irradiation, which is proven to substantially reduce such foodborne infections as E. coli without raising radiation levels.

4.   Apart from nuclear hot spots around submarine wrecks and dump sites, radiation levels in the Barents and Kara seas are within normal tolerances.

5.   Areas with higher radiation levels or cramped quarters were roped off.

6.   But according to nuclear monitoring experts, there are several methods to measure radiation levels.

7.   He pointed out that no Rocketdyne worker had been exposed to radiation levels above state and federal safety limits.

8.   He said there is concern in Belgrade about reports of heightened radiation levels.

9.   He said radiation levels remain normal on and around the wrecked vessel.

10.   It concluded that radiation levels were well below safety guidelines.

n. + level >>共 1503
cholesterol 2.82%
income 2.35%
price 1.98%
grade 1.80%
skill 1.66%
comfort 1.50%
production 1.46%
pollution 1.43%
blood 1.41%
radiation 1.39%
radiation + n. >>共 174
treatment 16.90%
level 11.29%
therapy 10.40%
leak 10.40%
exposure 8.20%
dose 2.19%
detector 1.87%
experiment 1.79%
leakage 1.38%
release 1.30%
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