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Response of King's Creek and Elizabeth River larvae exposed to chlorpyrifos.
Average percent mortality (±SEM) of King's Creek (black bars) and Elizabeth River (white bars) 5 dph larvae exposed for 24 h to 5 μg/L chlorpyrifos (CPF) or 10 μg/L chlorpyrifos, alone or in combination with 1 μg/L β-naphthoflavone (BNF). Bars not marked by the same letter are significantly different at p <0.05 (ANOVA, Tukey-adjusted LSMeans). n≥45 per treatment group.
