Ethofumesate, 100 µg/ml, Acetonitrile, 5ml

Metribuzin-desamino, 100µg/ml in Acetonitrile, 5ml

Anthraquinone-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 10439-39-1

2,2',3,3',4,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,