(-)-Nicotine, 10 µg/ml, Methanol, 10ml

BTEX Mixture 3 S-4219-2K-5ME 7 Analytes, each 2000 µg/mL in methanol; units:1x1 mL, 1x5mL 1300.6 Benzene [71-43-2] 1267.8 o-Xylene [95-47-6] 1264.7 Toluene [108-88-2] 1266.8m-Xylene [108-38-3] 1268.8

D10-Parathion-ethyl, 100 µg/ml, Acetone, 1ml

4,4’-Diamino-3,3’-dimethyldiphenylmethane