To avoid contaminating the little critters, scientists have to shower and scrub before entering mouse quarters.
Health secretary Stephen Dorrell was also criticised for playing down the risk of BSE-infected beef contaminating humans.
Water treatment plants in several states had shut down, contaminating drinking water and causing Americans to fall ill.
What we need now is action to prevent the current farm-scale trials and test sites contaminating crops and honey.
He says that seawater has penetrated up to three kilometres (1.9 miles) inland in some places, killing crops and contaminating wells.
The site has had several industrial uses over many years which have resulted in different substances leaking into the ground, contaminating it.
The disaster has had a severe impact on local industries, contaminating farm produce including vegetables, dairy products, fish, mushrooms and green tea.
Most importantly, however, the toxic nature of the News of the World brand was in danger of contaminating the whole News Corp. operation.
Indigenous groups are suing Occidental, an American oil company, for contaminating a huge swathe of jungle during three decades of operation in Peru.
Conversely, the Uzbeks accuse Tajikistan of contaminating the water with industrial and agricultural pollutants, as well as sewage, thus causing disease in Uzbekistan.
Lucrative rice crops are being hard hit, too, as saltwater creeps into aquifers beneath the fields, contaminating wells used for irrigation and killing crops.
Last year, it blamed an increase in dropped cigarettes in Inverness for blocking drains and contaminating water that eventually reaches rivers and the sea.
In addition, a ban on spreading slurry as fertiliser has been in place for more than three months, to avoid run-off contaminating water supplies.
BBC: Channel Islands' wet weather 'demoralising for farmers'
The Beijing News says a stinking "mountain of rubbish", so huge that it is called a "landmark" by drivers, could be contaminating the capital's water supplies.
While cheap products are made and exported, the waste gets dumped in our backyards, contaminating water and air and damaging the health of workers and communities.
The EA said it wanted to help the councils and added "if councils show how they could prevent contaminating compost then we will look at their evidence".
Lanzhou officials, for instance, do not in fact stop body fishers from cutting loose unclaimed corpses and letting the current take them away, thereby contaminating downstream water.
Mr. Roux, in previous days' arguments, criticized the lead investigator for not thoroughly checking phone records and potentially contaminating the crime scene by not wearing protective footwear.
If SAM does spy a potential organic, it will aim to determine if it's actually from Mars, or hitchhiking strays from Earth contaminating the sample collector.
Local responders have built barriers of rock and dirt to stop the oil from contaminating the lake, and Exxon Mobil put booms into the lake as a precaution.
BBC: Exxon Mobil oil spill subject to Arkansas investigation
Such an attack could involve a "dirty bomb, " capable of contaminating large parts of a city with dangerous levels of radiation, effectively making it uninhabitable for many years.
Abassi allegedly said he had a plan involving "contaminating the air or water with bacteria in order to kill up to 100, 000 people" but he said Esseghaier was dismissive.
In the specific case of maize, to ensure that seed stocks achieve 99.9% purity, a separation distance of 200 metres is required from any source of "contaminating" maize pollen.
"The integrity of our supply chain is vital and we are working closely with our customers to try to establish the source of the contaminating material, " the company said.
The judge said the council had decided not to order environmental assessments but, at the same time, had ordered water quality testing to ensure pollutants were not contaminating the river.
The popular surfing beaches of Hossegor and Capbreton, 40km north of Biarritz, were closed for 10 days in early May after a motorway accident led to chemicals contaminating the water.
It was also home to a distinct and isolated mosquito population, so the effect could be monitored closely with only a minor risk of mosquitoes from neighbouring areas contaminating the results.
While my own policy assessments are not always in complete accord with those of Kaiser, his integrity in critiquing the sacred myths contaminating modern economics is admirable and his arguments always thoughtful.
FORBES: Kaiser's Postulate: Bringing Free Market Economics to South America
Two years ago, a European Union-wide health alert was sparked when German officials said animal feed tainted with dioxin had been fed to hens and pigs, contaminating eggs, poultry meat and pork at affected farms.
Listen, in the talks I've had they're as desperate as anyone to make sure that this extremism is weeded out and dealt with because they don't want them contaminating their reputation, their great contribution to this country.
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