EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673136 2,4,6-Trichlorophenol, 250mg Price on request 38210 SAE40Motor Oil as TPH in Water Price on request 10019.12-100-IO 2,4,4'-Trichlorobiphenyl-2',3',5',6'-d4, 100 µg/mL in Isooctane, 1mL Price on request