Document nkxbONNGOL9jb2wbBo0z1q5BG

38-- Industrial Toxicology 1188 TABLE 38-E THRESHOLD LIMIT VALUES FOR CHEMICAL SUBSTANCES IN WORKROOM AIR, 1973 (Continued) Substance ppm" acetate (Methyl cellosolve acetate)-- Skin Ethylene im me--Skin Ethylene oxide Ethylidine chloride, see 1, 1 -Dichloroethane N-Ethylmorpholine--Skin Ferbam Ferrovanadium dust Fluoride (as F) * Fluorine Fluorotnchloromethane C Formaldehyde Formic acid Furfural--Skin Furfuryl alcohol Gasoline * Germanium tetrahydrlde Glass. fibrous'' or dust Glycerin mist Glycidol (2, 3-Epoxy-l-propanot) Glycol monoethyl ether, see 2>Ethoxyethanol Graphite. (Synthetic) Guthlon, see Azinphoa-methyl Gypsum Hafnium Helium Heptachlor--Skin Heptane (n*heptane) Hexachloroethane--Skin Hexachloronaphthalene--Skin * Hexafluoroacetone Hexane (n-hexane) 2-Hexanon Hexone (Methyl Isobutyt ketone) sec-Hexyl acetate Hydrazine--Skin Hydrogen Hydrogen bromide C Hydrogen chloride Hydrogen cyanide--Skin 25 05 50 - 20 - - - 1 1,000 2 5 5 (5) 02 . - 50 - - - - - F 500 1 - 01 500 100 100 50 1 F 3 5 10 mg/cu m' 120 1 90 . 94 10 1 25 2 5,600 3 9 20 (20) 02 06 E E 150 - E - E 05 . 05 2,000 10 02 07 1,800 410 410 300 13 10 7 11 Hydrogen fluoride Hydrogen peroxide Hydrogen selenlde Hydrogen sulfide Hydroquin one Indene Indium and compounds, as In iodine Iron oxide fume Iron pentacarbonyt Iron salts, soluble, as Fe IsoamyJ acetate Isoamyl alcohol Isobutyl acetate Isobutyi alcohol Isophorone Isopropyl acetate Isopropyl alcohol Isopropylamine Isopropylether Isopropyl glycldyl ether (IGE) Kaolin Ketene Lead, inorganic, fumes, and dusts Lead arsenate Limestone Lindane Lithium hydride LP-gas (Liquefied petroleum gas) Magnesite Magnesium oxide fume Malathion--Skin Maleic anhydride Manganese and compounds, as Mn Marble Mercury (Alkyl compounds)--Skin Mercury (All forms except alkyl) Mesityl oxide Methane Meihanethiol, see Methyl mercaptan Methoxychlor 2-Methoxyethanol--Skin (Methyl cellosolve) Methyl acetate 3 1 0 05 10 - 10 - 01 - 0 01 . 100 100 150 100 (25) 250 400 5 250 50 - 05 1,000 0 25 0 001 25 F - 25 200 2 14 02 15 2 45 01 1 (10) 0 08 1 525 360 700 300 (140) 950 980 12 1,050 240 E 09 015 015 E 05 0 025 1,800 E 10 10 1 5 E 0 01 0 05 100 - 10 80 610