Propionic acid sodium salt, 1g

PAH standard, 100µg/ml in methylene chloride, 1ml

Acetochlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml

2,3,3',4,4',5,5',6-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,