4-Methoxy-2,2',5'-trichlorobiphenyl, 100µg/ml in IO, 1ml

β-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene

1,2,4,5,8,9-Hexachloroundecane, 100µg/ml in Isooctane, 1ml

2-Methylpentane