Promecarb, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',4,5,6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,

1,2,3,4,6,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane

Nortriptyline hydrochloride