Ethyl acetate-1,2-13C2,2000 µg/mL,MeOH,1mL,

3,4',5-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-88-1

Triclocarban-13C6, 1mg

Atrazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1912-24-9