Carcinogenic Aryl Amine, 10µg/mL in Ethyl AC, 10ml

(2R,3R)rel2,3Dihydroxy-2-methylbutanoic Acid,500mg

n-C15/n-C20, Pentadecane/Eicosane (Integration control) 1500 µg Pentadecane and 1000 µg Eicosane in 1mL isooctane n-Pentadecane/n-Eicosane = 3:2

Mecoprop-1-octyl ester, 100 µg/ml, Acetone, 1ml