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CHLOROTHALONIL
3 Ecotoxicology
Terrestrial Vertebrates
- 22 -
APPENDIX II
END POINTS AND RELATED INFORMATION
3. Ecotoxicology
20 December 2004
Acute toxicity to mammals:
Acute toxicity to birds:
Dietary toxicity to birds:
Reproductive toxicity to birds:
Long term toxicity to
mammals:
chlorothalonil LD50 >5000 mg/kg
bw
SDS-3701 LD50 242 mg/kg bw
chlorothalonil LD50 >2000 mg/kg
bw
SDS-3701 LD50 158 mg/kg bw
chlorothalonil LC50 >5200 mg/kg
fd
SDS-3701 LC50 1780 mg/kg fd
chlorothalonil NOEC 160 mg/kg
fd
SDS-3701 NOEC 50 mg/kg fd
chlorothalonil NOEC 330 mg/kg
fd (developmental NOAEL)
SDS-3701 NOEC 30 mg/kg fd
(reproductive NOAEL (decreased
body weight pups))
Aquatic Organisms
Acute toxicity
Species time effect value
mg
a.i./L
Oncorhynchus
mykiss
LC50 0.038 geometric
mean
Lepomis macrochirus LC50 0.052 geometric
mean
Cyprinus carpio LC50 0.076 geometric
mean
Ictalurus punctatus 96 LC50 0.047