Prothoate, 100 µg/ml, Ethyl acetate, 1ml

4-Bromo-2,3,7,8-tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Pesticide/PCB Surrogate, Mix, 200µg/ml in Acetone, 10 x 1ml

Forafac 1183, Amphoteric perfluorinated surfactant, 40% , neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.