PCB No. 29, 100µg/ml in Isooctane, 1ml

2-Hydroxy-4-methoxybenzophenone-2',3',4',5',6'-d5,neat,neat,25mg,

Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 63466-71-7

Propachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml