EPA Method 8260B - Purgeable Internal Std Back Catalog number: 27013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-123467-S 1,2,3,4,6,7-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 675354 Sulfachloropyridazine, 250mg Price on request H0931 4-Hydroxy-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidine Price on request