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.
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 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".
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
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.
The fear, as propagated by the food processing industry and other critics, is that drug genes will hop to the chromosomes of plants used for food, contaminating the food supply with vaccines and drugs, in turn triggering costly recalls and potential legal liability.
The problems of getting at Lake Vostok (and of preventing organisms from the surface from contaminating it) are, give or take the billion kilometre spaceflight required to get there, the same as those that would arise in any attempt to get a probe into Europa's putative oceans.
"When the police have finished everything they have to do, and when they give me the assurance there is no danger of us in any way compromising or contaminating an investigation, I will take it further and ensure that any outstanding questions are answered properly, " he said.
But between those uncomfortable admissions lay another story, of an underpaid policeman arriving for an important job without the necessary equipment - shoe covers - to avoid contaminating the murder scene, and without enough "connections" - his word - or colleagues, to ensure that the most basic evidence could be processed in time for the bail hearing.
It is that instead of Buffett lending that money to Bank of America and Goldman and any others he is propping up(which in my opinion should be allowed to fail and fail hard so as to prevent their business models from contaminating the economic picture ever again) is for him to use much less of it in a philanthropic manner.
We need their help and assistance in getting this done, but in the conversations I have had, formally and informally with British Muslims, over the past few weeks, they are as desperate as anyone else, in some ways more desperate to make sure that this extremism is weeded out and dealt with because they don't want it contaminating the reputation of Muslims.
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