Methylarsonic acid, 100mg

Propachlor OA, 100µg/ml in MeOH, 1ml

2,6-Dimethylnaphthalene, 50 µg/mL in Toluene, 1ml

2,2',3,4,4',5',6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-69-1