Lactofen Back Catalog number: 73517 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66137 2,2',3,4,4',5-Hexachlorobiphenyl (137) Price on request S-4089-ASS-5T PAH/NPD Control Standard S-4089-ASS-5T 26 Analytes, each consentration as listed in toluene; units: 1x1mL, 1x5mL 0711.10 Naphthalene [91-20-3] 500 µg/mL 0713.11 2-Methylnaphthalene [91-57-6] 500 Price on request 73572 3-Methylpyridine Price on request