EPA Method 525 - Pesticide Standard Back Catalog number: 30027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11696.12-100-IO 2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 685905 D8-2,4'-DDT, 5mg Price on request 72268 Thiamine Price on request