Pentabromo[13C6]benzene, 1.2ml x 50ug/ml , toluene

Procymidone, 100 µg/ml, Ethyl acetate, 5ml

Chloridazon, 1000µg/ml in MeOH, 1ml

2,3',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-72-6