EPA Method 502.2 Surrogate Standard Back Catalog number: 91704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10684.12-100-IO 2,3',5',6-Tetrachlorobiphenyl Price on request S-4069-S-2.5L Solvent for ASTM D 664-01 1 L and 10x1L Toluene 50.0 % Isopropanol 49.5 % Water, ionfree 0.5 % Price on request 679700 D5-Dinitolmide, 10mg Price on request