Table 17.
Calculated EP50 (endpoint mortality plus immobility) and corresponding HP5 values (and 95% confidence limits) for all 13 aquatic arthropods (see Table 9) and exposure profiles of exposure scenarios A‐F by using the GUTS‐RED‐SD model
| Exposure scenarios | |||||||
|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | ||
| EP50 values GUTS‐RED‐SD | |||||||
| 1 | Daphnia magna | 13 (7–61) | 5 (2–33) | 18 (11–83) | 7 (4–35) | 3 (2–14) | 5 (3–25) |
| 2 | Asellus aquaticus | 762 (250–1,285) | 391 (92–635) | 1,035 (340–1,682) | 420 (138–682) | 181 (58–305) | 303 (85–587) |
| 3 | Gammarus pulex | 37 (6–62) | 13 (1–23) | 49 (6–85) | 20 (2–34) | 9 (0.1–15) | 13 (1–23) |
| 4 | Neocaridina denticulata | 42,500 (29,219–63,750) | 14,375 (9,883–26,504) | 57,500 (39,531–86,250) | 22,500 (16,172–36,563) | 9,688 (6,660–15,894) | 14,375 (9,883–24,482) |
| 5 | Procambarus spec. | 264 (206–330) | 142 (106–174) | 352 (275–467) | 146 (119–192) | 67 (54–92) | 129 (105–162) |
| 6 | Chironomus riparius | 93 (75–122) | 38 (28–52) | 127 (103–163) | 51 (40–67) | 23 (18–30) | 37 (30–48) |
| 7 | Anax imperator | 469 (432–501) | 291 (272–304) | 630 (582–674) | 261 (243–286) | 121 (114–126) | 278 (241–283) |
| 8 | Cloeon dipterum | 98 (75–110) | 57 (40–64) | 132 (101–153) | 54 (42–61) | 24 (18–27) | 49 (30–57) |
| 9 | Notonecta maculata | 1,162 (890–1,344) | 542 (333–805) | 1,572 (1,203–1,824) | 640 (492–748) | 276 (216–328) | 437 (315–628) |
| 10 | Paraponyx stratiotata | 557 (533–598) | 344 (331–363) | 747 (695–817) | 313 (300–333) | 143 (139–150) | 320 (288–360) |
| 11 | Plea minutissima | 444 (392–491) | 271 (231–299) | 596 (531–661) | 247 (223–272) | 112 (91–125) | 247 (171–286) |
| 12 | Ranatra linearis | 1,709 (1,282–2,016) | 1,025 (793–1,170) | 2,285 (2,000–2,633) | 947 (760–1,111) | 417 (313–484) | 796 (569–1,057) |
| 13 | Sialis lutaria | 109 (60–177) | 50 (27–100) | 146 (96–239) | 60 (39–98) | 26 (13–420) | 40 (26–78) |
| Median HP5 (log‐normal) (95% confidence interval) | 15 (5–80) | 7.3 (2–40) | 21 (6.6–110) | 8.5 (2.6–47) | 3.6 (0.9–20) | 6.7 (1.9–35) | |