EPA Method 508A DCB Stock Solution Back Catalog number: 30020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97720 Bentazon Price on request 0343.16-K-IO 4-n-Butylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 37909-95-8 Price on request 10335.16-100-ME O-Desmethylvenlafaxine,100 µg/mL,MeOH,1mL, Price on request