The water table and drinking water are at risk of being contaminated.
Water supplies are also being contaminated by pesticides used on the oil palm plantations.
The risks of these substances being contaminated, or insufficiently effective, are considerable.
Rice always deteriorates, but the suspicion is growing that stocks are being contaminated with substandard rice.
— we are all being contaminated by that toxicity, by the way we've been treated.
And someone from Massillon, Ohio, raised the possibility of the white powder used inside latex gloves' being contaminated with anthrax.
Zubia Aslam, who survived her saline drip being contaminated, said: "Life has not been the same and never will be.
This month the government expressed its concern about the rate at which water bodies were being contaminated.
Britain said recently that its epidemic might have started with pig swill being contaminated by illegally imported tainted meat.
Factory farms can also be great polluters and there have been cases of waterways being contaminated in recent years.
More recently, in 1996, Raúl orchestrated a purge of Party intellectuals, whom he accused of being contaminated by "capitalist ideas".
