EPA Method 525Mix #3 Back Catalog number: 92691 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 44002 EPA Method 601Mix #2 Price on request 677887 1,2-Bis(2,4,6-tribromophenoxy)ethane, 50mg Price on request DF-LCS-B200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml , nonane Price on request