nanogram in a sentence

Examples

1. Since 1996, a level superior to two nanograms in urine tests has been proscribed.
2. The established limit is 2 nanograms per milliliter
3. The limit is 2 nanograms per milliliter.
4. Moul believes black men with PSA readings of 2 or more nanograms should get a biopsy.
5. But at that time his PSA was slightly elevated at 5.5 nanograms per milliliter.
6. Their weight was measured in " nanograms, " or billionths of a gram.
7. The sensors can register as little as a nanogram, or one billionth of a gram.
8. The rules allow 15 nanograms per milliliter in testing for marijuana; the IOC allows none.
9. The limit is 2 nanograms per milliliter
10. The limit of detection of melamine is a few nanograms of melamine per gram of milk.