GRO Standard C6-C10, 2000µg/ml in MetChloride, 1ml

2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

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

Sulfamonomethoxine, 100mg