. 2018 Aug 23;16(8):e05377. doi: 10.2903/j.efsa.2018.5377

Table 8.

Toxicity data and Tier 1 RACs for standard aquatic species considered valid in the dossier of Organophosphate A and used in the Tier‐1 effect assessment

Species	Taxonomy	Timescale and endpoint	Toxicity (μg/L)	Assessment Factor	RAC (μg/L)
Daphnia magna	Crustacea; Cladocera	48‐h EC₅₀	0.48 (0.34–0.69)	100	0.0048
Daphnia magna	Crustacea; Cladocera	Chronic NOEC (μg/L)	0.085	10	0.0085
Chironomus riparius	Insecta; Chironomidae	48‐h EC₅₀	0.44 (0.32–0.59)	100	0.0044
Chironomus riparius	Insecta; Chironomidae	Chronic NOEC (μg/L)	0.096	10	0.0096
Oncorhynchus mykiss	Fish	96‐h LC₅₀	18.8	100	0.188
Oncorhynchus mykiss	Fish	Chronic NOEC (μg/L)	0.57	10	0.057
Pseudokirchneriella subcapitata	Green alga	Chronic EC₅₀ (μg/L)	298 (197–603)	10	29.8