EPA Method 515.2 Underivatized Back Catalog number: 30073 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BB-38 3,4,5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 1144.24-K-IO n-Tetracosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 646-31-1 Price on request ME 20030 Aqueous Ethanol Standard (0.3g/l), 10 x 1,2ml Price on request