The hardest part would be at the bacterial and mitochondrial level, and that was totally beyond Qiwi.

This was short-lived, with bacterial levels returning below the investigation trigger the next day.

The first urine of the day is preferred because bacterial levels will be higher.

That honor goes to the toilet paper dispenser, with more than 150 times the bacterial levels of the porcelain throne.

He said tests of ocean water have not found any elevated bacterial levels.

Every week, water samples of each beach are collected for analysis to find out their bacterial level.

All Russia's major rivers are estimated to have between 10 and 100 times the permitted viral and bacterial levels.

Fortunately, bacterial levels are low most other times.

I can detect none above the bacterial level, Commander.

They were able to raise and lower the bacterial levels at will, she said, pulling out chart-laden publications as evidence.