EPA Method 525.2 Pesticide Level 1 Back Catalog number: 92846 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2828.16-50-ME Perfluorohexadecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 67905-19-5 Price on request DF-IS-D200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request YA08273300TO Internal Standards Mix 33, 2000 ng/µl, 1ml Price on request