EPA Method 601 Purgeable Halocarbons Back Catalog number: 40000 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDDF-MDT Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 57002 Perchlorate (ClO4-) Price on request BFR-ISS Internal/Injection Standards, 1.2ml, toluene Price on request