Custom Metals Standard

3 Fluorinated Internal Standard Mix 3 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Fluorobenzene 39.7 1-Fluoronaphthalene 20.9 4-Ethyl-

3,5-Dimethyl-d6-phenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 133504-75-8

2-(N-methylperfluoro-1-butanesulfonamido)ethanol, 1.2mL x 50ug/mL, methanol