Method of Analysis at the U.S. Geological Survey California Water Science Center, Sacramento Laboratory – Determination of Haloacetic Acid Formation Potential, Method Validation, and Quality-Control Practices
Barbara C. Zazzi, Kathryn L. Crepeau, Miranda S. Fram and Brian A. Bergamaschi
Table 4
Volumes of working standard solutions added to 40-milliliter samples of fortified organic-free water to make nine standard levels.
[µL, microliters]
| Standard level | Working standard solution | Volume (μL) |
|---|
| 1 | A | 4 |
| 2 | A | 8 |
| 3 | A | 20 |
| 4 | B | 4 |
| 5 | B | 8 |
| 6 | B | 20 |
| 7 | C | 4 |
| 8 | C | 8 |
| 9 | C | 20 |