EPA method 633 Analytes Back Catalog number: 40048 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79361 Naphthalene Price on request 681197 2-Chlorobenzaldehyde, 100mg Price on request 2124.12-10-IOX5 Arochlor 1016 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 12674-11-2 Price on request