trans-Pinic acid,50 µg/mL,MeOH,0.25mL,

o-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 5142-76-6

Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

2,2'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL,