EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677620 Chlorthiamid, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 59933 ICP Mix Price on request 79406 trans-Permethrin Price on request