Crotoxyphos, 1000µg/ml in in hexane:acetone [9:1], 1ml

(+/-)Atenolol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7

1-Chloro-4-fluorobenzene, Internal standard for Gasoline Range Analysis, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352-33-0

Phosalone 100 µg/mL in Cyclohexane