Sentence examples for widespread concentrations from inspiring English sources

This includes any data on the occurrence of the APIs in the environment and deciding how such findings should be interpreted, for example whether measured concentrations relate to manufacturing or hospital discharges or whether they are indicative of more widespread concentrations associated with normal patient use and excretion into domestic wastewater.

Screening modern geochemical atlases (e.g.,[3, 4]) shows the rather widespread concentration range of major, minor and trace elements (see Table2 with selected examples for trace elements).

Also, the vehicle exhausts were generated from decade-old engine technologies and fuels, wood smoke was generated from an uncertified stove, and the exposure levels encompassed by this report were higher than widespread environmental concentrations.

Gold is widespread in low concentrations in all igneous rocks.

Studies of the nuclear transcriptional regulatory activities of nonphysiologic estrogens have mostly been unable to explain the actions of these chemicals in mediating endocrine disruption in animals and humans at the low picomolar or nano molar concentrations widespread in the environment (Calafat et al. 2005; Vandenberg et al. 2007).

For instance, Westendorp and colleagues published a key study in The Lancet showing that, contrary to the widespread view, high cholesterol concentrations are not a risk factor for heart disease in old age.

Though the Environmental Protection Agency set non-enforceable drinking water "health advisory levels" in 2016 for two of the most notorious chemicals (PFOA and its cousin PFOS) at 70 parts per trillion, there's widespread criticism that lower concentrations of these chemicals can be harmful as well.

Surprisingly, despite its widespread use, 2,4-D concentrations and exposure times are rarely measured in the field, and thus, quantitative data for comparing the actual responses of hybrid versus parental watermilfoils to operational 2,4-D treatments are lacking.

The widespread prevalence of low concentrations of vitamin D has triggered great clinical, research, and public health interest in determining the amount of vitamin D required for optimal health.

Contrarily, the private well results depict widespread, low-level NO3– concentrations, which is consistent with the current physical understanding in which sources tend to pollute the surficial aquifer, but then transport over time to the deeper drinking-water supply aquifers where concentrations are lower.

4– 6 Prolonged (2 6 h) exposure to general anesthetics including isoflurane at minimal alveolar concentration (MAC) (1.9 2.3% isoflurane in P2 9 rats 7) and even at sub-MAC (1.5%) concentrations causes widespread apoptosis and neurodegeneration in the developing brain, and results in long-lasting neurological and behavioral deficits in rodents and nonhuman primates.