EPA Method 8260B Surrogate Standard Back Catalog number: 23002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L11290000AL Chlorfenvinphos, 10 ng/µl, 10ml Price on request 678952 Fenchlorazol-ethyl, 10 µg/ml, Acetonitrile, 10ml Price on request 70418 3-Nitrophenol Price on request