EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-248-S 2,4,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 2244.34-10MG Fumonisin B1, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 116355-83-0 Price on request 18000-0010-100AN5 Acesulfame potassium, 100µg/ml in Acetonitrile, 5m Price on request