EPA Method 8021B Internal Standard Back Catalog number: 19394 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8106.18-100MG Sodium dodecylbenzenesulfonate, mixture of linear C10-C14, 38% water, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 69669-44-9 Price on request E505025 Eleutheroside E, 10mg Price on request 79055 Cypermethrin Price on request