Anions Mix Back Catalog number: 50022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30070 EPA Method 502/524 Surrogate Standard #1 Price on request 11702.12-100-IO 2,3',4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 678090 Fenamidone, 100 µg/ml, Acetonitrile, 1ml Price on request