EPA Method 525 Spike B Back Catalog number: 92313 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684243 D3-Trimethylsulfonium iodide, 10mg Price on request 2127.12-K-IOX5 Arochlor 1248 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 12672-29-6 Price on request 673991 Picloram, 250mg Price on request