d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 1ml

Aromatic Petroleum Pollutants 6 Analytes each 200 µg/mL in toluene; units: 1x1mL, 5x1mL 0712.11 1-Methylnaphthalene [90-12-0] 0725.12 1,6-Dimethylnaphthalene [575-43-9] 0812.15 2-Methylphenanthrene [2531-

Pesticide Mix # 2, 100ug/ml in Acetone, 1ml

Diflufenican, 100 µg/ml, Acetonitrile, 5ml