EPA Method 604.1 Analytes Back Catalog number: 40004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3223.19-K-IO 7-trans-Nonadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 191544-99-7 Price on request 73418 2,3-Pentanedione Price on request S-4037-K-IOX5 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request