2,2',3,4,4',5,5'-Heptabromobiphenyl, 1.2ml x 50ug/ml, nonane

1,2,3,6,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

(+/-)-Geosmin-d5,100 µg/mL,MeOH,1mL

Propachlor ESA sodium salt, 100µg/ml in MeOH, 1ml