EPA Method 8240A Mix #2 Back Catalog number: 82402 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57239 Yttrium (Y) Price on request 10928.17-K-IO n-Pentyltri-n-butyltin,1000 µg/mL,isooctane,1mL Price on request 1147.27-K-IO n-Heptacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-49-7 Price on request