EPA 1638Mix A Back Catalog number: 52144 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679804 Spiramycin, 100 µg/ml, Methanol, 1ml Price on request 94285 Pesticide Standard Price on request 11272.5-100-AN Omethoate-d6 (O,O-dimethyl-d6),100 µg/mL,acetonitrile,1mL, Price on request