4-tert-Octylphenol diethoxylate,1000 µg/mL,MeOH,1mL,

Trixylyl phosphate, technical mixture,1000 µg/mL,isooctane,1mL,

Dimethyl phthalate-d4

Dieldrin-13C12,100 µg/mL,n-nonane,1mL