2,4’-DDT, 1000µg/ml in Hexane, 1ml

4-Ethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5707-44-8

Chloroform-13C,2000 µg/mL,MeOH,1mL,

Acid Surrogate Standard