Table 4 Inter-laboratory test results for PERC eluate
Test | PERC eluate | |||||||
|---|---|---|---|---|---|---|---|---|
EC50 | LID | |||||||
Algae growth Inhibition Test | Acute daphnia test | Acute fish egg test | Bacteria lumines. test | Algae growth inhibition test | Acute daphnia test | Acute fish egg test | Bacteria lumines. test | |
Tests performed (number of labs) | 17 | 25 | 16 | 23 | 17 | 25 | 16 | 23 |
Tests considered | 14 | 23 | 16 | 22 | 14 | 23 | 16 | 22 |
Invalid tests | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 2 |
LID or EC50 n.d | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
Outlier | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
Number of tests for statistics | 10 | 22 | 15 | 19 | 13 | 23 | 14 | 20 |
Min./max | 0.68–1.46 | 1.31–4.80 | 2.63–24.55 | 0.027–0.043 | 96–1024 | 24–192 | 8–32 | 8192–24,576 |
Geometric mean | 0.99 | 2.54 | 8.17 | 0.034 | 323 | 71 | 19.4 | 12,973 |
95% CI | 0.84–1.17 | 2.16–2.98 | 6.21–10.76 | 0.032–0.037 | 222–469 | 57–87 | 14.9–25.3 | 11,298–14,897 |
95% PI | 0.62–1.58 | 1.25–5.16 | 3.09–21.62 | 0.026–0.045 | 96–1086 | 27–182 | 8.0–47.4 | 7270–23,149 |
Reproducibility sR% | 24.0 | 37.4 | 52.9 | 14.2 | 68.4 | 51.2 | 48.0 | 30.2 |