EPA Method 645 Analytes Back Catalog number: 40059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3751.6-K-IO 1,2,3,5-Tetrachlorobenzene, 1000µg/mLin Isooctane, 1ml Price on request 10615.29-1G Mifepristone Price on request 72472 Pyriproxyfen Price on request