D4-Menthol, 100 µg/ml, Methanol, 1ml

2,2',4',5,6'-Pentabromo-4-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane

UV 254 Absorbance

Isoproturon, 10.0 µg/ml, Acetonitrile, 10ml