NEN EN 14031 : 2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 Overall demands in endotoxin work
   5.1 General
   5.2 Demands on operator
   5.3 Demands on equipment
   5.4 Demands on glassware
   5.5 Demands on extraction liquids, water and detergents
   5.6 Demands on filters
   5.7 Transportation of samples
   5.8 Storage of samples at the laboratory
   5.9 Test for contamination
   5.10 Sampling documentation
6 Extraction
   6.1 General
   6.2 Equipment
   6.3 How to extract
   6.4 Storage
   6.5 Extraction documentation
7 Analytical methods
   7.1 General
   7.2 Equipment
   7.3 Procedure
   7.4 Validation
   7.5 Analytical protocol
8 Expression of results
9 Precision
10 Test report
Annex A (informative) - Properties of endotoxins and sources of
                        exposure
      A.1 - Identity and physical and chemical properties
      A.2 - Sources of occupational exposure
Annex B (informative) - Principle of LAL-assays
      B.1 - General
      B.2 - Detection of inhibition or enhancement of measured
            endotoxins using spiked samples
      B.3 - Detection of inhibition or enhancement of measured
            endotoxins using parallel line assay
Bibliography

Gives guidelines for the assessment of workplace exposure to airborne bacterial endotoxins. Specifies methods for sampling, transportation and storage of samples and determination of endotoxins.