Ecorisk Fundamentals: 2.0 Ecotoxicology and Ecological Risk Assessment

Table 2.2 Lowest Observed Adverse Effect Concentrations (LOAEC) for Different Life Stages of Fathead Minnows Exposed to a Hypothetical Contaminant

Observed Effect

LOAEC
(ppm)

Reduced Survival of Fry

9800

Reduced Growth of Fry

8300

Reduced Hatching Success

1760


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