PAH Field Surrogate Back Catalog number: 93646 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98969 Carbazole as N Price on request 1614.20-K-T 9-n-Octylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4041-19-4 Price on request 8713.12-5MG 2,2',3,3',4',5,5',6-Octachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-73-7 Price on request