A trace constituent is one whose amount in the sample is
Correct answer: D. < 0.01%
- A. < 10%
- B. < 20%
- C. < 1.0%
- D. < 0.01%
Explanation
A trace constituent is a component that is present in a very small or minute amount. The conventional definition for a trace amount is a concentration of less than 100 parts per million (ppm), which is equivalent to less than 0.01%.
Last updated