Sulfamethazine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679814 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91206 EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Price on request 72009 1,2-Dimethyl-3-nitrobenzene Price on request 35441 Baygon Price on request