EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678134 2,6-Dichloroaniline, 500mg Price on request 3378.14-100-CY Dicofol Price on request 63174 2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Price on request