EPA Method 8260B Purgeable Internal Standard Back Catalog number: 26013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32341 p-Isopropyl toluene Price on request 2039.12-50-NN Octachlorodibenzofuran,50 µg/mL,n-nonane,1mL, Price on request 3367.22-100-CY Deltamethrin Price on request