Ametryn, 100 µg/ml, Acetonitrile, 5ml

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

2,2',4,4',5,5'-Hexabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1-Naphthaldehyde,1000 µg/mL,isooctane,1mL,