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references. Many references use the term "insoluble" for materials <br /> r that will not readily mix with water, such as gasoline. However, most <br /> water soluble at the part per millon or part <br /> of these materials are <br /> per billion level. Gasoline for example, is insoluble in the gross <br /> sense, and will be found as a discreet layer on top of the ground <br /> water. But certain gasoline constituents, such as benzene, toluene, <br /> and xylene will also be found in solution in the ground water at ta.e <br /> i part per millon or part per billion level. <br /> A. Water solubility expressed as 0.2g means 0.2 grams per 700 <br /> grams water at 20°C. <br /> i pends on the compound in which they are <br /> B. Solubility of metals de <br /> present. <br /> no t in <br /> C. Several chlorinated hydrocarbons exhibesencelafhhighnenergy � . <br /> conventional sense, but will burn p <br /> ignition source or will form explosive mixtures at temperatures <br /> above 200"F. <br /> D. Practically nonflammable under standard conditions. <br /> u E. Expressed as mm Hg under standard conditions <br /> F. Explosive concentrations of airborne dust can occur in confined <br /> j areas. <br /> is G. Values for Threshold Limit Value - Time Weighted Average <br /> TLV-TWA) are OSHA Permissible Exposure Limits (PEL) except where <br /> noted in H. and I. <br /> nt <br /> e of <br /> me <br /> H. TLV - TWA adapteniststhe <br /> (ACGIH)lcan whichoiserenclower thanothenaSi�.A PEL. <br /> industrial Hygie <br /> for <br /> TLV - TWA rend <br /> Safety and Health (NpatiIOSH)thA TLV�orapEi,nhastute not beenOccu adopted byl <br /> ` <br /> the ACGIH or OSHA. <br /> 3. A. - Corrosive <br /> B. - Flammable <br /> C, - Toxic <br /> D. - Volatile <br /> r E. - Reactive <br /> �.. F, - Radioactive <br /> G. - Carcinogen <br /> Infectious <br /> K; Dermal Toxicity. data is summarized in the following three <br /> categories: <br /> L <br /> Skin penetration <br /> p, - negligible penetration (solid--polar) <br /> B - slight penetration (solid--nonpolar) <br /> �. C - moderate penetration(liquid-nonpolar) <br />