EPA Method 531.1 Individual Analytes

Mass-Labelled Chlorobenzene Solution/Mixture, 1.2ml, isooctane

4-Isobutylbenzoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 38861-88-0

Benzene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-43-2