EC50(16hr) = 0.027 mg/L in Pseudomonas putida for 5-fluorouracil.
EC50(24hr) = 0.12 mg/L in Vibrio fisheri for 5-fluorouracil.
EC50(96hr) = 0.11 mg/L in Pseudokirchneriella subcapitata for 5-fluorouracil.
EC50(48hr) = 36 mg/L in Daphnia magna for 5-fluorouracil.
LOEC(120 hr growth) = 400 mg/L in Pimephales promelas for 5-fluorouracil.