EPA Method 624 Standard Back Catalog number: 41121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677894 Mevinphos, 100 µg/ml, Ethyl acetate, 1ml Price on request A15291000AL-100 Monensin sodium, 100µg/mL in Acetonitrile, 1ml Price on request 11264.9-100-AN Imidacloprid-d4, 100µg/ml in Acetonitrile, 1ml Price on request