Buturon, 100 µg/ml, Acetonitrile, 1ml

Profenofos, 100 µg/ml, Cyclohexane, 5ml

C28 1-Methyl triaromatic sterane + C28 Triaromatic sterane (0856.28), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-31-6

Acids Supplemental Standard