Hexachlorobenzene, 100 µg/ml, Ethyl acetate, 1ml

Daily Quality Control Standard (with 4 Fluorinated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17

1,2,3,5,8-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane

Benzo(a)pyrene D12, 10µg/mL in Cyclohexane, 1ml