Table 1.
Nominal and measured exposure concentrations at the beginning of each mixture experiment.
| EE2 (ng/L)
|
E2 (ng/L)
|
NP (μg/L)
|
OP (μg/L)
|
BPA (μg/L)
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Concentration (mixture dilution) | Nominal | Measured | Nominal | Measured | Nominal | Measured | Nominal | Measured | Nominal | Measured |
| First mixture experiment | ||||||||||
| 10.1 mg/L (5%) | 0.03 | 0.03, 0.05 | 1.25 | < 0.8, 1.3 | 0.35 | 0.4, 0.7 | 2.25 | 1.5, 2.4 | 7.5 | 4.1, 6.1 |
| 20.2 mg/L (10%) | 0.06 | 0.07, 0.08 | 2.5 | < 1.5, 2.6 | 0.7 | 0.7, 0.8 | 4.5 | 2.5, 5.1 | 15 | 9.6, 12 |
| 40.4 mg/L (20%) | 0.12 | 0.14, 0.19 | 5 | 3.9, 4.9 | 1.4 | 0.9, 1.4 | 9 | 4.5, 8.2 | 30 | 19, 22 |
| 60.6 mg/L (30%) | 0.18 | 0.23, 0.23 | 7.5 | 6.2, 9.0 | 2.1 | 2.3, 2.0 | 13.5 | 11, 12 | 45 | 43, 32 |
| 101 mg/L (50%) | 0.3 | 0.31, 0.42 | 12.5 | 13, 16 | 3.5 | 3.5, 2.8 | 22.5 | 20, 14 | 75 | 79, 41 |
| 202 mg/L (100%) | 0.6 | 0.6, 1.0 | 25 | 25, 28 | 7 | 7.1, 5.5 | 45 | 35, 32 | 150 | 150, 110 |
| Second mixture experiment | ||||||||||
| 40.4 mg/L (20%) | 0.12 | 0.13 | 5 | 6 | 1.4 | 1.8 | 9 | 9.4 | 30 | 20 |
The measured values given for the first mixture experiment represent the concentrations determined during two independent exposure studies.