Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92651 OLM04.2 Pesticides Price on request 678466 Paraoxon-ethyl, 10 µg/ml, Acetonitrile, 10ml Price on request 8382.14-10-T 9-Nitrophenanthrene-d9, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request