EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4326-K-TX5 Nitro-PAH Mixture 2 2204,14 9-Nitrophenanthrene [954-46-1] 1108,13 3-Nitrofluorene [607-57-8] 1468,16 2-Nitropyrene [789-07-1] Concentration: 1000ppm each in toluene Price on request 1555.26-K-IO n-Hexacosane-d54, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219803-91-4 Price on request 2216.10-10MG 1-Nitronaphthalene-d7, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 80789-77-1 Price on request