Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

EPA Method 502/524 Surrogate Standard #3, 2000µg/ml in MeOH, 1ml

2,2',3,4',5,5'-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

Quantitative Paraffins Standard, 6,25% w/w, 2ml