black

chemical

chemicals

contaminated

contamination

corrosion

crude

damage

danger

dangerous

dead

death

dirty

disaster

disposal

dump

ecological

ecology

effects

environment

environmental

europe

fluid

from

fuel

hydrocarbons

industrial

industry

lagoon

liquid

moraviasilesia

nature

ostrava

petroleum

poison

polluted

pollution

region

sewage

sludge

soil

sources

survive

survived

toxic

waste

water

with