1. Editorial

   Editorial Introduction Pages: 141 - 141

2. Atmospheric microbiology in the northern Caribbean during African dust events

   • Dale W. Griffin
   • Christina A. Kellogg
   • Eugene A. Shinn

   OriginalPaper Pages: 143 - 157

3. Assessment and modeling of indoor fungal and bacterial bioaerosol concentrations

   • Christopher F. Green
   • Pasquale V. Scarpino
   • Shawn G. Gibbs

   OriginalPaper Pages: 159 - 169

4. Quantitative trends in annual totals of five common airborne pollen types (Betula, Quercus, Poaceae, Urtica, and Artemisia), at five pollen-monitoring stations in western Europe

   • F.Th.M. Spieksma
   • J.M. Corden
   • J. Emberlin

   OriginalPaper Pages: 171 - 184

5. A method to control the spread of allergenic pollen in archaeological and highly frequented areas

   • Alessandro Travaglini
   • Anna Mazzitelli

   OriginalPaper Pages: 185 - 190

6. Long-term trends and regional variation in the aeroallergen Alternaria in Cardiff and Derby UK – are differences in climate and cereal production having an effect?

   • Julie M. Corden
   • Wendy M. Millington
   • John Mullins

   OriginalPaper Pages: 191 - 199

7. Experimental study of indoor and outdoor airborne bacterial concentrations in Tempe, Arizona, USA

   • Hong Zhu
   • Patrick E. Phelan
   • Fengxiang Che

   OriginalPaper Pages: 201 - 211

8. Pollen content in the atmosphere of Lugo (NW Spain) with reference to meteorological factors (1999–2001)

   • F.J. Rodríguez-Rajo
   • V. Jato
   • M.J. Aira

   OriginalPaper Pages: 213 - 225

9. Trends in airborne pollen: An overview of 21 years of data in Neuchâtel (Switzerland)

   • Bernard Clot

   OriginalPaper Pages: 227 - 234

10. An Aeropalynological study of the Porto region (Portugal)

    • Ilda Abreu
    • Helena Ribeiro
    • Mário Cunha

    OriginalPaper Pages: 235 - 241

11. Characteristics of grass pollen seasons in areas of southern Spain and the United Kingdom

    • Juan Antonio Sánchez Mesa
    • Matt Smith
    • Carmen Galan

    OriginalPaper Pages: 243 - 250

12. Pollen spectrum variations in the atmosphere of Cagliari, Italy

    • Mauro Ballero
    • Andrea Maxia

    OriginalPaper Pages: 251 - 259

13. Bioaerosol emission from wastewater treatment plants

    • Leonor Pascual
    • Sara Pérez-Luz
    • Vicente Catalán

    OriginalPaper Pages: 261 - 270

14. Biogenesis of oxalate patinas on marble specimens in fungal culture

    • Michela Monte

    BriefCommunication Pages: 271 - 275

15. Instructions for authors

    Instructions for Authors Pages: 277 - 279

16. Author index of volume 19

    Authors Index Pages: 281 - 281

17. Contents of volume 19

    Volume Contents Pages: 283 - 285