EPA Method 515.1 Internal Standard Back Catalog number: 31023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11463.24-K-AN 5-Fluoro-JWH-018 adamantyl analogue,1000 µg/mL,acetonitrile,1mL, Price on request 2036.12-50-T Octachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3268-87-9 Price on request 2910.16-100-ME Sodium p-n-decylbenzenesulfonate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2627-06-7 Price on request