System Performance Standard, in Heptane, 1x5ml

2,2',3,3',4,6,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Hexachlorobenzene-13C6, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-14-8

1-Chloro-2,4-dinitrobenzene, 1000µg/ml in MeOH, 1ml