2,3',4-Trichlorobiphenyl, 5mg Back Catalog number: C-025N Availability: In the manufacturer's stock Price on request - + Recommended BDF-238 2,3,8-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request P4MHPS Perfluoro-4-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol Price on request 21002 EPA Method 8260 - Surrogate Standard Price on request