PCB No. 77, 100µg/ml in Isooctane, 1ml

(+/-)-Normetanephrine-?,ß,ß-d3 hydrochloride,100 µg base/mL,MeOH,1mL,

EPA Method 8270C Mix #27

Mass-Labelled PCB Solution/Mixture, 1.2ml, nonane