EPA Method 525.2 Pesticide Level 1 Back Catalog number: 92846 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66087 2,2',3,4,5'-Pentachlorobiphenyl (87) Price on request 50380 Sodium (Na) Price on request 38026 WS Organochlorine Pesticides Price on request