EPA Method 8250/8250A - Analytes Mix #11 Back Catalog number: 82503 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16996500 Sulfamethazine, 250mg Price on request 79153 Octachlorostyrene Price on request GA17453000AL Thiamethoxam, 100µg/mL in Acetonitrile, 1ml Price on request