2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187)

Methyl-t-butyl ether

Isodrin, 1000µg/ml in MeOH, 1ml

Dialy Quality Control Standard (with Internal Standard) 3 Analytes, each Vol.% as listed in isooctane; units: 1x10 mL, 5x10mL. Name Vol.% Benzene 0.64 Toluene 4.8 Isooctane 90.56Methylethylketone (Int.Std.) 4.0