Naphthalene-d8, 100 µg/mL,toluene, 1mL

Benzyl butyl phthalate, 250mg

2,2',3,3',4,5-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Dextromethorphan hydrobromide monohydrate,1000 µg base/mL,MeOH,1mL,