EPA Method 604.1 Analytes Back Catalog number: 40004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3505.9-100 Terbacil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 5902-51-2 Price on request H943555 rac 3-Hydroxyisobutyric Acid, 1mg Price on request 94609 VOC Standard Price on request