1)Difenacoum 96%TC,0.25% 0.5% 2.5%TK 2)Quality Certificate by SGS 3) ... Regul., 1988, 16, 151) or by u.v. spectrometry (details from Sorex (London) Ltd). Residues determined by hplc (idem, ibid.).ENVIRONMENTAL ... ; no leaching in 30 cm lab. columns. Difenacoum 96%TC,0.25%,0.5%,2.5%TK