EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681935 Chromafenozide, 100 µg/ml, Acetonitrile, 5ml Price on request A794615 Atrazine Mercapturate, 5mg Price on request 59945 Metals Mix - 2 Price on request