EPA Method 8121 Internal Standard Back Catalog number: 81203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50005 1-Chlorooctadecane Price on request 673810 D6-Dicamba-methyl ester, 10mg Price on request 8751.21-50-T 2,2-Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 21850-44-2 Price on request