Common Anions EPA 300A Mix Back Catalog number: 59994 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3939.2-1ML cis-1,2-Dichloroethene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 156-59-2 Price on request 71187 Isooctane Price on request 2992.9-K-CY 2,4-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2213-23-2 Price on request