GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70113 Dibenzo(a,h)pyrene Price on request 12172.2-2K-ME Acetonitrile-1,2-13C2,2000 µg/mL,MeOH,1mL, Price on request 2028.14-100-DC 4,4'-DDT, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 50-29-3 Price on request