The phrase "average levels of the" is correct and usable in written English.
It can be used when discussing typical or mean measurements of a particular variable or phenomenon.
Example: "The study found that the average levels of the pollutants in the river exceeded safe limits."
Alternatives: "mean values of the" or "typical amounts of the".
About half of the Ranch Hand group, he said, had average levels of the defoliant in their blood.
A study of breast milk from 50 mothers around the nation has found relatively high average levels of the toxic substance of dioxin, the study's author reported today.
For example, the study shows that in 1999, the latest year with comprehensive data, New York City, Los Angeles, Atlanta, Chicago, and several other cities had annual average levels of the 2.5-micron particles that would -- if seen for three years in a row -- violate the proposed rule.
Scientists have shown that the warming, although measured in just a degree or two on average in some places, has already had effects like allowing a proliferation of insects to destroy spruce forests in Alaska and raising the average levels of the oceans.
Average levels of the sum of Dechloranes ranged from 10to3131 pg/g fat, with the exception of fish, feed additives, and corn that were reported in pg/g wet weight at average levels of 9, 12, and 2 pg/g ww.
Results indicate that while the use of a Social Story was effective in decreasing problem behavior when compared to baseline levels, the pairing of the story with a DRO procedure resulted in lower average levels of the target behaviors across both participants.
The new tariff applies only to imports above the average level of the last three years.
The survey reported that under Hebei Province in the heart of the North China Plain, the average level of the deep aquifer was dropping nearly 10 feet per year.
Other domestic stocks, held commercially in refineries, pipelines or storage tanks, stand at about 299 million barrels, about 5percentt below the average level of the last five years, according to the Energy Information Administration.
The average level of the relaxation curves was mainly determined by processing conditions, but the MWD affected the relaxation kinetics substantially, especially at 100°C.
The average level of the tax was €12.5 in Denmark.
