EPA Method 525 Pesticide Standard Sub Conc Back Catalog number: 98307 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11693.12-100-IO 2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 11143.24-K-IO Tris(2,3-dimethylphenyl) phosphate,1000 µg/mL,isooctane,1mL, Price on request PCB-A10-CS5-11 Individual Calibration Solutions, 200uL, nonane Price on request