EPA Method 8021B Internal Standard Back Catalog number: 19394 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33052 1,2-Dibromoethane Price on request 8400.6-1ML Perfluoro-n-hexane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 355-42-0 Price on request 8974.47-100-T 3-Chloro-1,2-propandiol-dibehenate Price on request