Method 1005 Window Standard Back Catalog number: 95716 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-C Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 94454 Crotonaldehyde Price on request 8481.22-K-AN Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL, Price on request