Sentence examples for instances of contamination from inspiring English sources
The Advertising Standards Agency (ASA) ruled that an ad run by Tesco in February, at the height of the food crisis, "implied that all retailers and suppliers were likely to have sold products contaminated with horsemeat" when "relatively few instances of contamination had been identified at the time".
Use of lactate dehydrogenase-elevating virus-contaminated Matrigel in early studies may account for some instances of contamination, and some groups have produced their own Matrigel in order to avoid potential viral contamination [ 34].
Some have turned to compounding pharmacies, which have rightly been subject to criticism after several high-profile instances of contamination and other quality control issues.
Last year, the F.D.A. blocked five types of farm-raised seafood as well as vegetable protein from China because of repeated instances of contamination.
If done right, this should not contaminate freshwater supplies, but rogue companies have screwed up and there have been instances of contamination.
Also, Russia is moving to ban U.S. meat imports because of instances of contamination with ractopamine, a growth hormone banned in Russia.
The state's Department of Environmental Conservation says that "no known instances of groundwater contamination have occurred from... hydraulic fracturing projects in New York State".
With over 20,000 wells drilled in the past decade there have been only a few instances of groundwater contamination, all of them due to breaches of existing regulations.
Its stringent regulations have prevented any known instances of groundwater contamination from previous horizontal drilling or hydraulic fracturing projects in the state.
Ameridose said in a statement that it had had no instances of product contamination in its six-year history, during which it had shipped "70 million units of product".
Across the river, in the four-year-old shale gas fields of Pennsylvania and West Virginia, landowners have reported instances of water contamination near wells that have been "hydrofractured".
