PCB No. 21, 100µg/ml in Isooctane, 1ml

Dechlorane Plus® syn-Isomer (13C10,99%) 100 µg/mL in Nonane, 1,2ml

Tetrabenz[a,c,h,j]anthracene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 215-11-2

p-Terphenyl