3,5-Dinitrobenzoic acid, 100 µg/ml, Acetonitrile,

S-4394 B[a]P/HCB Recovery Standard (solvent - Nonane) Product Concentration 2,3,3',5,5'-PeCB 100 µg/mL

2-Nitronaphthalene, 100µg/ml in Toluene, 1ml

Isoproturon-desmethyl, 100µg/ml in ACN, 5ml