EPA 1620 Standard 3 Back Catalog number: 52141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-1234678 1,2,3,4,6,7,8-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 0409.32-150-CYX5 n-Dotriacontane, ?13C: -28.34, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 544-85-4 Price on request 70478 Deet, 1000µg/ml in MeOH, 1ml Price on request