1. Water, air, and soil pollution reviews

   Editorial Pages: v - v

2. Biogenic hydrogen sulfide emissions from selected Florida wetlands

   • Mark S. Castro
   • Forrest E. Dierberg

   OriginalPaper Pages: 1 - 13

3. Response of two western Canadian conifers to simulated acidic precipitation

   • Zoheir M. Abouguendia
   • Lawrence A. Baschak

   OriginalPaper Pages: 15 - 22

4. Effects and relative toxicity of heavy metals on Cuscuta reflexa

   • Sasadhar Jana
   • Tinkari Dalal
   • Basabi Barua

   OriginalPaper Pages: 23 - 27

5. Biodegradation of chlorinated phenols in subsurface soils

   • James A. Smith
   • John T. Novak

   OriginalPaper Pages: 29 - 42

6. Response of two Adirondack watersheds to acidic deposition

   • Edward A. Fendick
   • Robert A. Goldstein

   OriginalPaper Pages: 43 - 56

7. Effect of sodium chloride and calcium chloride on nitrite induced methemoglobinemia in Clarias lazera

   • A. M. Hilmy
   • N. A. El-Domiaty
   • K. Wershana

   OriginalPaper Pages: 57 - 63

8. A contribution to the environmental biology of mercury accumulation in plants

   • S. M. Siegel
   • B. Z. Siegel
   • David Penny

   OriginalPaper Pages: 65 - 72

9. Sulfur retention at intensively studied sites in the U.S. and Canada

   • Barry P. Rochelle
   • M. Robbins Church
   • Mark B. David

   OriginalPaper Pages: 73 - 83

10. The impact of a chlor-alkali plant on Onondaga Lake and adjoining systems

    • Steven W. Effler

    OriginalPaper Pages: 85 - 115

11. A modified nitrogen oxide-ozone photolytic cycle

    • Gian Gupta
    • Sashikala Sabaratnam
    • Robert Dadson

    OriginalPaper Pages: 117 - 124

12. Distribution in forest soils of carbonaceous particles from fossil fuel combustion

    • Maria Wik
    • Ingemar Renberg

    OriginalPaper Pages: 125 - 129

13. Soil solution chemistry and metal budgets of spruce forest ecosystems in S. Sweden

    • B O Bergkvist

    OriginalPaper Pages: 131 - 154

14. Distribution of Al, V, and Mn in lichens across Calcasieu Parish, Louisiana

    • C. S. Mueller
    • R. L. Thompson
    • D. M. Casserly

    OriginalPaper Pages: 155 - 164

15. Biomass and compositional changes in the periphytic community of an artificial stream in response to lowered pH

    • Charles G. Maurice
    • Rex L. Lowe
    • Richard M. Stanford

    OriginalPaper Pages: 165 - 177

16. Honey as an indicator of heavy metal contamination

    • K. C. Jones

    OriginalPaper Pages: 179 - 189

17. Determination of organic acid anions in precipitation by ion chromatography exclusion

    • Susan R. Bachman
    • Mark E. Peden

    OriginalPaper Pages: 191 - 198

18. Identification of odorous gases originating from refuse waste

    • Lawrence C. C. Koe
    • W. J. Ng

    OriginalPaper Pages: 199 - 204

19. Mercury in soils, sediments, and clams from a North Carolina peatland

    • Richard T. Di Giulio
    • Elizabeth A. Ryan

    OriginalPaper Pages: 205 - 219

20. Book reviews

    • Tong-Hui Zhou
    • G. F. Humphrey
    • Manuwadi Hungspreugs

    BookReview Pages: 221 - 225