Aroclor 1221 & Tetrachloro-m-xylene Back Catalog number: 95402 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73191 1,3-Propanediol Price on request 94982 PCB Congener Mix #4 Price on request 78016 2,4,5-TP acid (Silvex) Price on request