The phrase "a safe threshold of" is correct and usable in written English.
It can be used when discussing limits or boundaries that are considered secure or acceptable in a particular context, such as health, safety, or performance metrics.
Example: "The researchers established a safe threshold of exposure to the chemical to ensure the well-being of the participants."
Alternatives: "a secure limit of" or "an acceptable level of".
Furthermore, as no dose response association was demonstrable, these findings do not provide empirical evidence of a safe threshold for drinking during pregnancy.
"We've already passed a safe threshold for coral reef ecosystems in terms of climate change; we believe that a safe level for CO2 is below 350 parts per million," said Alex Rogers of the Zoological Society of London and International Programme on the State of the Ocean, who helped organise today's meeting.
Coral reefs face serious threats even if global warming is restricted to a 2 degrees Celsius limit, which is widely viewed as a safe threshold to avert the most devastating effects of climate change, such as drought, sea level rise or crop failure.
That's the level outlined by policymakers as a safe threshold for climate change.
There is uncertainty as to whether there is a safe threshold for drinking alcohol during pregnancy.
Hence, a safe threshold for drinking in pregnancy has not been conclusively established [ 9- 11].
The issue whether there is a safe threshold value of albuminuria has recently provoked intense discussion, mainly because in both non-diabetic [ 6] and diabetic [ 7] patients, urinary albumin concentrations in the upper normal range have been found to predict both cardiovascular [ 6] and renal plus cardiovascular events [ 7] in high risk [ 6] and low risk [ 8] populations.
The lack of a safe threshold reinforces the realization that to prevent the adverse health effects caused by lead exposure, we must exercise the wisdom to recognize and address the many sources of lead in children's environments.
This oral RfD is intended to reflect a safe threshold dose at which no risk of adverse health effect is anticipated for an iodide-deficient pregnant woman and any developing fetus she might be carrying.
The control objective is to maintain the temperature of the heated wall below a safe threshold during large transient heat loads.
