Table 16.
Calculated EP50 values and 95% confidence limits for aquatic crustaceans and insects mentioned in Table 11 and exposure profiles A–F by using the GUTS‐RED‐IT models to explore the Geometric Mean approach
| Exposure scenarios | |||||||
|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | ||
| EP50 values GUTS‐RED‐IT | |||||||
| 1 | Daphnia magna | 122 (97–145) | 39 (32–49) | 161 (127–191) | 66 (54–78) | 28 (23–32) | 40 (33–47) |
| 2 | Asellus aquaticus | 1,445 (1,221–1,626) | 488 (416–671) | 1,953 (1,648–2,319) | 801 (651–901) | 342 (283–390) | 488 (412–580) |
| 3 | Gammarus pulex | 66 (49–80) | 22 (16–37) | 88 (69–110) | 35 (29–46) | 15 (11–19) | 22 (18–27) |
| Geometric mean Crustacea | 226.6 | 74.8 | 302.5 | 122.8 | 52.4 | 75.5 | |
| 4 | Chironomus riparius | 93 (70–111) | 33 (26–44) | 127 (99–143) | 51 (42–60) | 22 (17–26) | 33 (27–39) |
| 5 | Cloeon dipterum | 134 (117–155) | 49 (45–62) | 181 (158–203) | 73 (64–85) | 32 (28–36) | 48 (45–57) |
| 6 | Plea minutissima | 576 (514–641) | 208 (184–334) | 781 (691–854) | 317 (281–352) | 135 (122–153) | 205 (183–256) |
| Geometric mean Insecta | 192.9 | 69.5 | 261.8 | 105.7 | 45.6 | 68.7 | |