17alpha-Estradiol-2,4-d2,neat,neat,10mg,

Perfluoro-n-dodecanoic acid, 1.2ml x 50ug/ml, methanol

EPA Method 502/524 Fortification Solution

d2 C28 Triaromatic Sterane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-81-3