EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended SC-391890 Avenanthramide E, 25mg Price on request O0148 Octadecyl Sulfide, >96%, 25g Price on request 674010 Monuron, 100 µg/ml, Acetonitrile, 5ml Price on request