barrel
container
contamination
country
danger
dangerous
disaster
drink
drinking
drum
dump
environment
harmful
hazard
hazardous
health
industry
lake
life
metal
nature
nuclear
plant
plutonium
poison
pollute
polluted
pollution
radiation
radioactive
radioactivity
reactor
reservoir
risk
rural
safety
spill
station
storage
substance
symbol
terrorism
toxic
uranium
war
waste
water
weapons
yellow