EPA Method 548.1 Internal Standard Back Catalog number: 30078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681211 2-Methylbutyraldehyde, 250mg Price on request 10792.3-K-ME 2-Chloro-1,3-propanediol-d5,1000 µg/mL,MeOH,1mL, Price on request E520402 Emamectin-D3 (>80%), 1mg Price on request