EPA Method 525.2 - PAH Standard Back Catalog number: 19162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52084 QC Standard 1 Price on request DF-1278-S 1,2,7,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 676901 Dimethenamid-P ESA sodium salt, 10mg Price on request