EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-AP-FBSA N-[3-(Dimethylamino)propan-1-yl]perfluoro-1-butanesulfonamide, 50µg/ml in MeOH, 1,2ml Price on request 10207.11-K-ME n-Butyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 94-26-8 Price on request 3028.8-100-ME cis-2-Octene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 7642-04-8 Price on request