1,2,3,8-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane

GC/MS Hexachlorobenzene Mixture 1356,6 Hexachlorobenzene [118-74-1] 50µg/ml

3-Phenylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2404-87-7

Custom PCB Mixture 100µg/mL in isooctane 9317.12 PCB-8 9313.12 PCB-20 1999.12 PCB-28 9314.12 PCB-35 2000.12 PCB-52 2001.12 PCB-101 2002.12 PCB-118 2003.12 PCB-138 2004.12 PCB-153 2005.12 PCB.180