Sodium chlorate, 100 µg/ml, Water, 1ml

4,5,7,8,9,10,11,12-Octahydrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 73712-70-6

1,2,3,4,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

Salicylic Acid-d4, 5mg