EPTC Back Catalog number: 70173 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71166 3,6-Dimethylphenanthrene Price on request 63155 2,2’,4,4’,6,6’-Hexachlorobiphenyl (155) Price on request 21113 EPA Method 8260 - Purgeable Internal Standard Price on request