Solution/Mixture of Native Mono-ortho PCBs, 1.2ml, nonane

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,

Paraxanthine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 611-59-6

Bromoform, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-25-2