Aroclor 1221 Back Catalog number: 90124R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1089.22-100-T Benzo[ghi]perylene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-66-7 Price on request 44022 EPA Method 601 - Purgeables Mix #2 Price on request 1144.24-K-IO n-Tetracosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 646-31-1 Price on request