Native Stock PCDDs and PCDFs, 1.2ml, nonane Back Catalog number: EPA-8290STN Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1981.12-K-5ME Tri-n-butyltin chloride, 1000µg/mL, Solvent-methanol, Unit 5mL, # of units-1, Cas.no. 1461-22-9 Price on request 92762 Volatile Mix #3 Price on request 19112 EPA Method 624 Surrogate Standard Price on request