1D,1D,2H,2H-1-Hydroxyperfluorooctane,50 µg/mL,MeOH,1mL,

PCDD Window Defining Mixture for DB5/BP5/HP2/Rtx-5/SPB-5, 1.2mL, nonane

GRO Standard C6-C10, 2000µg/ml in MetChloride, 1ml

N-Nitrosoethylmethylamine, 100 µg/ml, Methanol,