2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: DPE-28 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677620 Chlorthiamid, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 680050 Diethyldithiophosphate, 250mg Price on request 82535 EPA Method 8250 - Acid Matrix Spiking Solution Price on request