There is already a high level of environmental contamination.
Always keep food covered to prevent contamination by flies.
There is a danger of serious contamination from radioactive waste.
Wash everything thoroughly to avoid contamination with bacteria.
• A large number of eggs were contaminated with salmonella.
• The pollution could cause serious contamination of agricultural land.
* * *
The government recently reported that 10% of farmland has been destroyed by pollution and that heavy metals contaminate 12 million tons of grain a year.
»There are fears that exported products could contaminate food supplies abroad.
The report concluded that bacterial contamination at the factory could occur no matter what technology was being used.
contamination of air — загрязнение воды
The water supply is being tested for contamination. — Берется проба на загрязнение воды.
aerial contamination — воздушное загрязнение
bacterial contamination — бактериальное заражение [обсеменение]
biological contamination — биологическое заражение
chemical contamination — химическое загрязнение
contamination meter прибо́р для определе́ния нали́чия радиоакти́вных веще́ств
to control contamination — устанавливать контроль за загрязнением / заражением (окружающей среды)
to keep Antarctica free from contamination — не допускать загрязнения Антарктики
cross contamination — контаминирование (поверхности) в результате многократных манипуляций с образцом
red cell contamination — примесь эритроцитов
contamination of water [of air] - загрязнение /заражение/ воды [воздуха]