References
- Salem , H. and Katz , S. 1989 . Speciation, Bioavailability, and Systemic Distribution of Chromium from Whetlerite Dust . Science of the Total Environment , 86 : 59 – 64 .
- Environmental Protection Agency . 1980 . Hazardous Waste Management: Identification and Listing of Hazardous Wastes . Federal Register , 45 : 72029 – 72034 .
- Naranjit , D. , Thomassen , Y. and Van Loon , J. 1979 . Development of a Procedure for Studies of the Chromium (III) and Chromium (VI) Contents of Welding Fumes . Anal. Chim. Acta , 110 : 307 – 312 .
- Ehman , D. , Anselmo , V. and Jenks , J. 1987 . Determination of Low Levels of Airborne Chromium (VI) by Anion Exchange Treatment and Inductively Coupled Plasma Spectroscopy . Spectroscopy , 3 : 32 – 35 .
- Johnson , C.A. 1990 . Rapid Ion Exchange Technique for the Separation and Preconcentration of Chromium (VI) and Chromium (III) in Fresh Water . Anal. Chim. Acta , 238 : 273 – 278 .
- Goldhaber , S. and Vogt , C. 1989 . Development of the Revised Drinking Water Standard for Chromium . Sci. Total Environ. , 86 : 43 – 52 .
- Subramanian , K. 1988 . Determination of Chromium (III) and Chromium (VI) by Ammonium Pyrrolidine carbodithionate ‐ Methyl Isobutyl Ketone Furnace Atomic Absorption Spectroscopy . Analytical Chem ‐istry , 60 : 11 – 15 .
- Zatka , V. 1985 . Speciation of Hexavalent Chromium in Welding Fumes: Interference by Air Oxidation of Chromium . Am. Ind. Hyg. Assoc. J. , 46 : 327 – 331 .
- Messman , J. , Churchwell , M. , Wong , D. and Lathouse , J. March 1987 . Determination of Stable Valence States of Chromium in Aqueous and Solid Waste Matricies ‐ Experimental Verification of Chemical Behavior , March , Cincinnati : United States Environmental Protection Agency, EMSL . EPA/600/S4–86/039,
- author from whom reprints should be requested