EPA Method 8040A Analytes Mix “A” Back Catalog number: 80411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680053 (S)-Equol, 10mg Price on request 52303A LFS Solution 1 Price on request NK-ST-A4 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request