EPA Method 8240A - Purgeable Surr Std Back Catalog number: 20002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70298 Tricyclazole Price on request 2588.32-1MG Dibenzo[cd,n]naphtho[3,2,1,8-pqra]perylene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 109278-09-3 Price on request 679801 Ofloxacin, 100 µg/ml, Methanol, 1ml Price on request