Organochlorine pesticides standard

2-Perfluorooctyl (13C2)ethanoic acid (13C2-8:2 FTCA), 50µg/ml in Isopropanol, 1,2ml

Benzyl n-butyl phthalate-3,4,5,6-d6,1000 µg/mL,isooctane,1mL,

2,2',3,4',5,6,6'-Heptachlorobiphenyl (188)