D6-Metazachlor OA, 100 µg/ml, Acetonitrile, 1ml

3,3,4,4-Tetrachlorobiphenyl (BZ-77)

Triclopyr, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 55335-06-3

CLP Semi-Volatile Base/Neutral Surrogate Std