Low Level Hexavalent Chromium Back Catalog number: 55198 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8397.9-50-ME trans-Pinic acid,50 µg/mL,MeOH,1mL, Price on request 94587 PCB Congeners 1000 ppb Price on request 680399 PCB 118, 10 µg/ml, Isooctane, 10ml Price on request