Herbicide Free Acid Standard Back Catalog number: 92864 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32079 EPA Method 549.1 Analytes Price on request 30001R EPA Method 502.2/524.2 - Liquids Price on request 12142.18-100-ME Flurenol-butyl,100 µg/mL,MeOH,1mL, Price on request