Perfluorooctylphosphonic acid, 50µg/ml in MeOH, 1,2ml

2,2',4,4',5,5'-Hexabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2,3,3',4,4',5-Hexachlorobiphenyl-2',6,6'-d3,100 µg/mL,isooctane,1mL

1,3,5-Trichlorobenzene, 2000µg/ml in MeOH, 1ml