Table 1.

Intensity of in vitro MXR transporter activity in mussel gill.

	IC10) (mg/L)	Lowest NOEC (mg/L
MK	0.14 mmol = 0.041	0.063
MX	0.09 mmol = 0.027	0.056
AHTN	0.35 mmol = 0.090	0.035
HHCB	0.37 mmol = 0.095	0.068

Abbreviations: MK, musk ketone; MX, musk xylene.