EPA Method 507/525 Analytes Mix #4 Back Catalog number: 30085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71309 N-Methyldiethanolamine Price on request 2483.10-100 Dinoterb, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1420-07-1 Price on request DF-LCS-C200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request