3-Epi-25-Hydroxyvitamin D3-[d3], 50μg/ml, 1ml

1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

PCB 209, 100 µg/ml, Isooctane, 5ml

Cresyl Diphenyl Phosphate, 250mg