2,2',3,5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Internal Standard Spiking Solution, 200ng/ml n Nonane/0.8% toluene, 1,2ml

Propachlor OA, 100µg/ml in MeOH, 1ml

PBDE-Mix 25, 50µg/ml in TO, 1ml