... EN374-3:1994 standards (levels:Pure Butanol = 6, Triethanolamine = 6, Ethylene glycol = 6, Dibutyl phtallate = 6, Auto-Diesel (Gas oil-38 sec ... cellosolve solvent = 6, Dimethyl sulphoxide = 2, Di-isobutyl ketone = 6, Ethylether = 6, Iso octane = 6, Tetrachlro ethylene = 6, Hydrochloric acid 37% = 6 ...