Monocrotophos, 100 µg/ml, Toluene, 1ml

EPA Method 615/8150A Herbicides Underivatized

4-n-Butylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 37909-95-8

Perfluoro-3,6-dioxaheptanoic acid (NFDHA), 50µg/ml in MeOH, 1,2ml