EPA Method 8330 Analyte Back Catalog number: 79248 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96537 Butalbital Price on request X9072 1,2-Dichloroethane Price on request 0681.28-200-IO (24R)-24-Methyl-3,5-cyclocholestane and (24R)-24-Ethyl-3,5-cyclocholestane, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36545-67-2 / '38776-72-6 Price on request