Meaning of micrograms

1. The doctor prescribed a daily dosage of 50 micrograms of a certain medication.
2. The toxic substance was found in the victim's blood at a concentration of 100 micrograms per milliliter.
3. The recommended daily intake of vitamin D is 800 micrograms for adults.
4. The lab test revealed that the water sample contained 20 micrograms of lead per liter.
5. The pesticide application rate is measured in micrograms per square meter.
6. The research study found that participants who consumed more than 500 micrograms of folate had lower rates of heart disease.
7. The nutrition label on the cereal box states that each serving contains 150 micrograms of iron.
8. The environmental agency set a maximum allowable level of 10 micrograms of arsenic per cubic meter of air.
9. The scientist used a sensitive instrument to measure the concentration of mercury in the fish sample in micrograms.
10. The new medication requires a precise dosage of 25 micrograms to be effective.