EPA Method 1618 Organochlorine Mix C Back Catalog number: 20138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A616900-2.5MG 2-Amino-3-methyl-3H-imidazo[4,5-f]quinoxaline (IQx), 2,5mg Price on request HPCHLOR-XEP Heptachlor-exo-epoxide (isomer B), 1.2mL x 100ug/mL, nonane Price on request 72097 Ampicillin Price on request