EPA Method 507/8085 Pesticide Mix #1 Back Catalog number: 91899 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679929 m-Xylene, 5ml Price on request 678444 Napropamide, 100 µg/ml, Acetonitrile, 5ml Price on request R250202 all-trans-Retinoic Acid-d5 (major), 1mg Price on request