EPA Method 8240A Mix #3 Back Catalog number: 82423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91862 Surrogate Standard Price on request 56138 Strontium (Sr) Price on request 1178.14-10MG 9,10-Anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84-65-1 Price on request