Semi-Volatile Mix Back Catalog number: 96821 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79269 Dibenzo(a,l)pyrene Price on request 2958.8-100-AN Methyl parathion-d6 (dimethyl-d6), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 96740-32-8 Price on request 2918.8-100-AN Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL, Price on request