2,4’-DDE, 1000µg/ml in Hexane, 1ml

Furfural-3,4,5-d3 (stabilized with BHT),neat,neat,100mg

9-Ethylphenanthrene,500µg/mL,isooctane,1mL,

N-methylperfluoro-1-butanesulfonamide, 50µg/ml in MeOH, 1,2ml