2,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

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

Atrazine-desethyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6190-65-4

cis-Decahydronaphthalene