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

2-Chloro-4-tert-butylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 98-28-2

2,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Pentachlorophenol, 1000µg/ml in MeOH, 1ml