Butachlor, 100 µg/ml, Acetonitrile, 5ml

n-Triacontane, ?13C: -28.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-68-6

Tris(2,4-di-tert-butylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Perfluoro-1-octanesulfonamide , 1.2ml x 50ug/ml, isopropanol