Malathion, 100 µg/ml, Toluene, 1ml

Ponceau 3R

2,3,3',4,4',5,5',6-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,

4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol