EPA Method 551 “Mix B” Back Catalog number: 30395 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20018000IO PCB No. 180, 10µg/mL in Isooctane, 10ml Price on request 9347.6-100MG DL-Isopropylindeneglycerol-1,1,2,3,3-d5 Price on request C20000400 PCB No. 4, certified, 25mg Price on request