Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-SS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3874.3-10K-ME 3-Chloro-1,2-propane-d5-diol,10000 µg/mL,MeOH,1mL, Price on request 1527.12-50-T Dibenzo-p-dioxin-d8, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 69699-83-8 Price on request H828602 Hydroxy Atrazine-d5, 1mg Price on request