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 5
Concentrations of haloacetic acids and surrogate compound in nine standard levels.
[Std, standard. µg/L, micrograms per liter]
| Analyte | Std level 1 (μg/L) | Std level 2 (μg/L) | Std level 3 (μg/L) | Std level 4 (μg/L) | Std level 5 (μg/L) | Std level 6 (μg/L) | Std level 7 (μg/L) | Std level 8 (μg/L) | Std level 9 (μg/L) |
|---|
| Bromochloroacetic acid | 0.2 | 0.4 | 1.0 | 2.0 | 4.0 | 10 | 20 | 40 | 100 |
|---|
| Bromodichloroacetic acid | 0.2 | 0.4 | 1.0 | 2.0 | 4.0 | 10 | 20 | 40 | 100 |
|---|
| Dibromochloroacetic acid | 0.5 | 1.0 | 2.5 | 5.0 | 10 | 25 | 50 | 100 | 250 |
|---|
| Dibromoacetic acid | 0.1 | 0.2 | 0.5 | 1.0 | 2.0 | 5.0 | 10 | 20 | 50 |
|---|
| Dichloroacetic acid | 0.3 | 0.6 | 1.5 | 3.0 | 6.0 | 15 | 30 | 60 | 150 |
|---|
| Monobromoacetic acid | 0.2 | 0.4 | 1.0 | 2.0 | 4.0 | 10 | 20 | 40 | 100 |
|---|
| Monochloroacetic acid | 0.3 | 0.6 | 1.5 | 3.0 | 6.0 | 15 | 30 | 60 | 150 |
|---|
| Tribromoacetic acid | 1.0 | 2.0 | 5.0 | 10 | 20 | 50 | 100 | 200 | 500 |
|---|
| Trichloroacetic acid | 0.1 | 0.2 | 0.5 | 1.0 | 2.0 | 5.0 | 10 | 20 | 50 |
|---|
| 2-bromopropionic acid (surrogate) | 0.5 | 1.0 | 2.5 | 5.0 | 10 | 25 | 50 | 100 | 250 |
|---|