Paraoxon-ethyl, 10 µg/ml, Cyclohexane, 10ml

2,2',3,3',5,6-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

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-

PCB-Mix 3, 100 ng/µl, 10ml