2,4,4',5-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: DPE-74 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 50038 Potassium Chloride Price on request 30124 EPA Method 515.1 - Performance Check Solution Price on request 8225.6-100-AN Demeton-S-methyl Price on request