EPA Method 624 Surrogate Standard Back Catalog number: 19112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677801 Spiromesifen, 10 µg/ml, Cyclohexane, 10ml Price on request 18000-2640-100AN5 Itraconazole, 100µg/ml in Acetonitrile, 5ml Price on request 82422 Acetone Price on request