WP Formaldehyde Back Catalog number: 38401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30177 EPA Method 548.1 Analyte Price on request 50473 ICP Mix - 0.05 µg / mL Price on request 2727.6-5MG Hexachlorobenzene-13C6, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 93952-14-8 Price on request