Cadmium (Cd), 1000µg/ml in 2%-HNO3/Water, 100ml

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,4'-DDT-13C12,100 µg/mL,n-nonane,1mL,

Tri-n-octyl phosphate (see also 9489.24),1000 µg/mL,MeOH,1mL,