EPA Method 1618 Organochlorine Mix C Back Catalog number: 20138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M305480 3-Methyl 2H-Furo[2,3-c]pyran-2-one, 1mg Price on request MDF-23 2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 52004 Magnesium Nitrate Modifier Price on request