Esch, G. J. van Flame retardants : tris(2-butoxyethyl), tris(2-ethylhexl) phosphate and tetrakis (hydroxymethyl) phosphonium salts / G. J. van Esch - Geneva : WHO, 2000 - 130 p. : ill. ; 21 cm. - Environmental health criteria 218 . ISBN: 9241572183 Subjects--Topical Terms: Phosphoric acid esters--toxicityOrganophosphorus Compounds--toxicityFlame retardants--ToxicityNo-Observed-Adverse-Effect LevelEnvironmental exposureRisk assessment National Library of Medicine Call No.: QU131