Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-123469 1,2,3,4,6,9-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 8952.21-100-ME 3-Chloro-1,2-propandiol-1-monooleate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request EPA-23AS Alternative Standard, 1.2ml, nonane Price on request