toxic fine particles
41Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear …
42selenium — /si lee nee euhm/, n. Chem. a nonmetallic element chemically resembling sulfur and tellurium, occurring in several allotropic forms, as crystalline and amorphous, and having an electrical resistance that varies under the influence of light.… …
43ricin — A highly toxic lectin and hemagglutin occurring in the seeds (castor beans) of the castor oil plant, Ricinus communis; if eaten, acts as a violent irritant and may be fatal; an N glycosidase that acts on the GOS subunit of rRNA. * * * ri·cin rīs… …
44industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …
45Legionellosis — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 7366 ICD10 = ICD9 = ICD9|482.84 ICDO = OMIM = MedlinePlus = 000616 eMedicineSubj = med eMedicineTopic = 1273 MeshID = D007876 Legionellosis is an infectious disease caused by bacteria… …
46Clear Skies Act of 2003 — The Clear Skies Act of 2003 is a proposed federal law of the United States. The official title as introduced is a bill to amend the Clean Air Act to reduce air pollution through expansion of cap and trade programs, to provide an alternative… …
47Ascidiacea — Taxobox fossil range=fossil range|0|0|earliest=Silurian|text=Recent (but see text) name = Ascidiacea image width = 250px image caption = Halocynthia sp. regnum = Animalia phylum = Chordata subphylum = Urochordata classis = Ascidiacea classis… …
48Sawdust — is composed of fine particles of wood. This material is produced from cutting with a saw, hence its name. It has a variety of practical uses, including serving as a mulch, or as an alternative to clay cat litter, or as a fuel, or for the… …
49Gallium arsenide — Gallium arsenide …
50ricin — n. a highly toxic albumin obtained from castor oil seeds (Ricinus communis) that inhibits protein synthesis and becomes attached to the surface of cells, resulting in gastroenteritis, hepatic congestion and jaundice, and cardiovascular collapse.… …
