EPA Method 551.1 Surrogate Standard Back Catalog number: 30102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10738.12.100-IO 2,2',3,3',4,5,6'-Heptachlorobiphenyl Price on request 57552 Tellurium (Te) Price on request 677950 Tetrachlorvinphos, 250mg Price on request