Fensulfothion, 100 µg/ml, Acetonitrile, 5ml

(+/-)-Atenolol-d7 (isopropyl-d7), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7

3'-Fluoro-2,3,4,4',5-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Methamidophos, 100 µg/ml, Ethyl acetate, 5ml