N-Nitrosodiethylamine-d10

Triclocarban, 100 µg/ml, Methanol, 1ml

2H-Perfluoro-[1,2-13C2]-2-dodecenoic acid (10:2), 50µg/ml in Isopropanol, 1,2ml

2,4'-DDT-13C12,100 µg/mL,n-nonane,1mL,