Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11104-28-2

Semi-Volatile Mix #2

2-Methyl-1-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 881-03-8

L-Histidine