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Emission of chemical substances from products made of exotic wood

Contents

Preface

Summary and Conclusions

1 Introduction

• 1.1 Wood Species
• 1.2 Composition of Wood
• 1.3 The Use and Import of Wood
• 1.4 Exotic Wood
• 1.5 Sustainable Forest Management
• 1.6 Surface Treatment

2 Survey of Products Made of Exotic Wood on the Danish Market

3 Materials

• 3.1 Allergic Symptoms caused by the Content and the Emission of Chemical Compounds from Exotic Wood Species
• 3.2 Selection of Products
• 3.3 Determination of Wood Species
  • 3.3.1 Sheesham
  • 3.3.2 Belalu

4 Method

• 4.1 Initial Qualitative Screening
• 4.2 Quantitative Determination of the Emission in Climate Chamber
  • 4.2.1 Preparation of Test Specimens
  • 4.2.2 Test Conditions
  • 4.2.3 Measuring Method
  • 4.2.4 Chemical Analysis
• 4.3 Determination of Natural Rubber Latex Allergen
• 4.4 Determination of Content of Fungicide
  • 4.4.1 Organic Compounds
  • 4.4.2 Elements
• 4.5 Determination of the Emission of Compounds by Migration into artificial saliva
• 4.6 Evaluation of the Allergic Potential of the Wood Species
• 4.7 Principles for Evaluation of Chemical Compounds
  • 4.7.1 Lowest Concentration of Interest to the Indoor Climate
  • 4.7.2 Determination of LCI- and S-Values
  • 4.7.3 Indoor-Relevant Time-Values

5 Results

• 5.1 Qualitative Screening
• 5.2 Quantitative Climate Chamber Measurement
• 5.3 Determination of Content of Natural Rubber Latex Allergens in Rubber tree
• 5.4 Determination of Content of Fungicide in Rubber tree
• 5.5 Analysis for Migration into artificial saliva
• 5.6 Results from Literature Survey
  • 5.6.1 Allergic Respiratory Symptoms and Allergic General Reactions
  • 5.6.2 Allergic Skin Symptoms

6 Assessment of Emissions

• 6.1 Results
  • 6.1.1 Compounds Emitted to the Air
• 6.2 Assessment of Emissions of Individual Compounds
• 6.3 Assessment of the Total Emissions
  • 6.3.1 Compounds emitted by Migration of Artificial Saliva
• 6.4 Health Assessment of Elements
  • 6.4.1 Assessment of Risk of Allergic Reactions

7 Concluding Discussion

• 7.1 Compounds found in the Emission
• 7.2 Compounds found by Migration into artificial saliva
• 7.3 Risk of Allergic Reactions
• 7.4 Future Examinations

8 References

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Version 1.0 September 2005, © Danish Environmental Protection Agency