EPA Method 8240A - Purgeable Surr Std Back Catalog number: 20002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9397.20-10MG Citalopram hydrobromide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 59729-32-7 Price on request 34651 n-Pentane Price on request 79050 Heptachlor epoxide Price on request