EPA Method 525 Pesticide Mix #1 Back Catalog number: 31027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50788 ICP HM Check Std A Price on request D289905-1MG Desfuroyl Ceftiofur Cysteine Disulfide (Contain 5% Ceftiofur), 1mg Price on request 3621.10-50-IO 2,7-Dichloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2198-77-8 Price on request