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 71307 Hexyl-2-ethylhexyl phthalate Price on request 3331.12-100-AC Carbofuran-3-hydroxy, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 16655-82-6 Price on request 9213.14-100MG 5H-Dibenz[b,f]azepine (Iminostilbene), neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 256-96-2 Price on request