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' HAZARDOUS PROPERTY INFORMATION <br /> ' EXPLANATIONS AND FOOTNOTES <br /> Water solubility is expressed in different terms in different references. Many references use the term"insoluble" <br /> for materials that will not readily mix with water,such as gasoline. However,most of these materials are water <br /> soluble at the part per million or part per billion level. Gasoline,for example,is insoluble in the gross sense,and <br /> will be found as a discrete layer on top of the ground water. But certain gasoline constituents,such as benzene, <br /> toluene,and xylenes will also be found in solution in the ground water at the part per million or part per billion <br /> level. <br /> 1. Water solubility expressed as 0.2 g means 0.2 grams per 100 grams of water at 20°C. <br /> ' 2. Solubility of metals depends on the compound in which they are present. <br /> 3. Several chlorinated hydrocarbons exhibit no flash point in the conventional sense,but will bum in the <br /> presence of high energy ignition source or will form explosive mixtures at temperatures above 200°F. <br /> 4. Practically nonflammable under standard conditions. <br /> ' 5. Expressed as mm Hg under standard conditions. <br /> 6. Explosive concentrations of airborne dust can occur in confined areas. <br /> 7. Values for Threshold Limit Value-Time Weighted Average(TLV-TWA)are OSHA Permissible Exposure <br /> Limits except where noted in Items 8 and 12. <br /> ' 8. TLV-TWA adopted by the American Conference of Governmental Industrial Hygienists(ACGIH),which <br /> is lower than the OSHA's Permissible Exposure Limit(PEL). <br /> ' 9. TLV-TWA recommended by the National Institute of Occupational Safety and Health(NIOSH). A TLV <br /> or PEL has not been adopted by the ACGIH or OSHA. <br /> ' 10. A-Corrosive <br /> B - Flammable <br /> C-Toxic <br /> D-Volatile <br /> E-Reactive <br /> F-Radioactive <br /> G-Carcinogen <br /> H-Infectious <br /> ' 11. Dermal toxicity data are summarized in the following three categories: <br /> a. Sldn Penetration <br /> ' A-Negligible penetration(solid-polar) <br /> B-Slight penetration(solid-nonpolar) <br /> C-Moderate penetration(liquid/solid-nonpolar) <br /> D-High penetration(gas/liquid-nonpolar) <br /> ' R2001-032 HASP Tracy GP.doc Page 12 of 14 <br /> 1 <br />