EPA Method 1666 Standard #2 Back Catalog number: 82450 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-234678-S 2,3,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 2936.19-100-IO Diflufenican-d3 (3-trifluoromethylphenoxy-2,4,6-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1185009-29-3 Price on request 60034 CCME PAH Calibration Standard Price on request