EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676851 D8-Triforine, 100 µg/ml, Acetone, 1ml Price on request 680402 PCB 180, 5mg Price on request CA12145000 Demeton-S-methyl-sulfoxide, certified, 25mg Price on request