Tetrahydrofuran

2,2’,3,5,6,6’-Hexachlorobiphenyl

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-

Mephosfolan, 100 µg/ml, Cyclohexane, 5ml