EPA Method 8260 - Surrogate Standard Back Catalog number: 21002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10652.22-10MG Oxytetracycline, 96%,neat,neat,10mg, Price on request A11915000AL-100 Cyprosulfamide, 100µg/mL in Acetonitrile, 1ml Price on request XA13585000CY Fenthion-oxon, 100µg/mL in Cyclohexane, 1ml Price on request