EPA Method 8270A Analytes Back Catalog number: 82706 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679520 13C6-Sulfamerazine, 10mg Price on request 679811 Sulfaguanidine monohydrate, 100 µg/ml, Methanol, Price on request XA16080000CY Phorate, 100 ng/µl, 1ml Price on request