EPA Method 8330 Analyte Back Catalog number: 79252 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2612.24-200-T Tetracosahydrocoronene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 54171-94-7 Price on request 79634 beta-Cyfluthrin Price on request 96599 Methylphenidate Price on request