Atrazine, 100µg/mL in Acetonitrile, 1ml

PCB Congeners & Hexachlorobenzene Mix #5

Zopiclone, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 43200-80-2

1-Chlorooctadecane, 10000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 3386-33-2