ICP-MS Calibration Standard 1

1,2,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane

2H-Perfluoro-2-decenoic acid (8:2), 1.2ml x 50ug/ml, isopropanol

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene