EPA Method 504.1 Analytes Back Catalog number: 30096 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-138-S 1,3,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 679458 2,4'-DDE, 100 µg/ml, Methanol, 1ml Price on request 8700.17-100-AN Bromopropylate, 100µg/ml in Acetonitrile, 1ml Price on request