EPA Method 8310 Surrogates, 50µg/ml in MeChl, 1ml Back Catalog number: 91206 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 96574 5?-Cholestane Price on request 79000 cis-Permethrin Price on request 674458 Ethoxyquin HCl, 250mg Price on request