Di-n-butyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,

2,3-Dichlorobiphenyl (5)

Mecarbam, 10 µg/ml, Ethyl acetate, 10ml

Monocyclohexyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml