Methoprotryne, 100 µg/ml, Acetonitrile, 1ml

EPA 1620 Standard 2

Isofenphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 25311-71-1

2,3’,4,4’-Tetrachlorobiphenyl (66)