2,6-Dimethylnaphthalene-d12,neat,neat,10mg,

2,3-Butanedione, 1000µg/ml in MeOH, 5ml

PCB Mix 1 ppb

2,2',3,3',4,5,5'-Heptachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane