Sentence examples for thresholds of substances from inspiring English sources

This makes it possible to predict the chronic effect thresholds of substances on the basis of the results of short-term experiments.

"You need a tax-exempt partner and so long as you can pass a fairly low threshold of substance it will work".

The required performance characteristics also depend on whether the method is intended for the determination of "non-threshold" or "threshold" substances.

For all non-threshold and threshold substances appropriate controls near the appropriate threshold levels were included in the initial screening, although uncertainties of measurements were not taken into account.

Now consider what happens if only one state-specific gene is present, which gives a slight increase in mortality when activated at some threshold concentration of substance S. If there is some cost of clearing substance S, this could easily outweigh the cost of the slight incrzease in mortality at some age.

Based on this, it can be concluded that P. muellerianus is not toxic, taking into consideration the threshold of toxic substances (5 g/kg) as earlier stipulated [ 16- 18].

From these results, it can be concluded that P. africana is not toxic with regard to the threshold of toxic substances (5 g/kg) as previously stipulated [ 15- 17].

As it is difficult to conduct toxicity tests at the threshold of the substance's water solubility a high lipophilicity complicates the performance of standardised ecotoxicological tests.

In 2012, the last year available statistically, the mill self-reported that it was sometimes thousands of percentage points over the federal thresholds for Substance Emissions and Critical Air contaminants.

The update of the human risk assessment module in EUSES focuses on the risk characterisation for both threshold and non-threshold substances with, among others, the introduction of assessment factors.

Soil pollution refers to the presence of substances at concentrations above threshold levels where they become harmful to living organisms (See also soil contamination).