2,3,7,8-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

U{13C18}-Sterigmatocystine, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

2,4,5,6-Tetrachloro-m-xylene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

Performance Control Mixture 4 Analytes each Wt.% as listed; units: 1x1mL, 5x1mL neat Name Wt. % Name Wt. % n-Hexadecane 75.0 Tetralin 3.0 Naphthalene 2.0