Sentence examples for recognized contamination from inspiring English sources

Thirteen of the studies were conducted among populations with frequent exposure to high-level groundwater iAs contamination (>10 μg/L) and five studies were conducted in areas without recognized contamination.

Campylobacter spp. contamination of duck liver may present a hazard similar to the increasingly recognized contamination of chicken liver.

Objectives: We propose a paradigm shift in the field that integrates various disciplines involved in the study of environmental contamination to recognize that contamination is widespread and cannot be remedied at the global level.

Kattan (2001) found a concentration of nitrate in shallow wells ranging from 11 to 80 mg/l and some other researchers (Obeidat et al. 2007) ranging up to 330 mg/l in the wells, which was recognized as contamination.

Although sound, conventional water treatment is believed to substantially reduce the risk of viable oocysts passing into treated water, the possibility of low-level intermittent contamination has been recognized; whether such contamination affects public health is uncertain (4, 6 ).

Moreover, it has been recognized that accidental contamination of therapeutic protein formulations with nanosized particulate materials may contribute to the immunogenicity of this type of biotechnology products.

These are paramount considerations, given the increasingly recognized ubiquity of contamination.

In the absence of a recognized source of contamination, the reasons for the wide dissemination of the clone remain unclear.

Although petroleum contamination is recognized as a significant threat to polar environments, documented research on the environmental consequences of terrestrial spills in cold regions is still scarce.

The Caldwell Trucking Superfund site, a few miles west of the Willowbrook Mall, is a nine-acre repository of poison-laced sewage, hauled here and dumped until the 1970's, when the threat of drinking-water contamination was recognized.

Mollicutes contamination is recognized to be a critical issue for the cultivation of continuous cell lines.