2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol

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

n-Octacosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 630-02-4

D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml