EPA Method 624Mix #1 - Purgeables Back Catalog number: 40021 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1650.11-100-AC 1,1,1,3,10,11-Hexachloroundecane,100 µg/mL,acetone,1mL Price on request 1309.28-K-IO n-Octacosane-d58, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16416-33-4 Price on request 57073 Tantalum (Ta) Price on request