EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1529.24-100-T Dibenzo[a,i]pyrene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 158776-07-9 Price on request V095753 Valsartan-d9 (Major), 1mg Price on request 82534 EPA Method 8270C - B/N Matrix Spiking Solution Price on request