EPA Method 531.2 - Analytes Back Catalog number: 34042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MEND (13C12)Endrin, 1.2mL x 100ug/mL, nonane Price on request 71695 Caprolactam Price on request 10439.9-K-ME Ethenzamide Price on request