PCB No. 55, 100µg/ml in Isooctane, 1ml

4-Bromophenylurea, 100µg/ml in Acetonitrile, 1ml

1,3,5-Triphenylbenzene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 612-71-5

Formaldehyde