Spiking Standard #2 Back Catalog number: 50756 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3496.12-100 Propyzamide, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23950-58-5 Price on request 684411 Trichloromethane, 5ml Price on request 0241.24-200-T Dibenzo[a,i]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 189-55-9 Price on request