EPA Method 502.2/624Mix Back Catalog number: 93600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679848 Triphenyl phosphate, 100 µg/ml, Methanol, 1ml Price on request 11698.12-100-IO 2,3,4',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request L12081000CY 2,4'-DDT, 10 µg/mL in Cyclohexane, 10ml Price on request