EPA Method 300.0 Anions QC Standard Back Catalog number: 50332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94376 Hydrocarbon Standard Price on request 59533 Anions Mix Price on request DF-LCS-A40 Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request