Evaluation of measurement uncertainty for analytical procedures using a linear calibration function L. BrüggemannRainer Wennrich General Paper Pages: 269 - 273
Appropriate rather than representative sampling, based on acceptable levels of uncertainty M. H. Ramsey Practitioner’s Report Pages: 274 - 280
Linearity of calibration curves: use and misuse of the correlation coefficient Joris Van LocoMarc ElskensHedwig Beernaert Practitioner’s Report Pages: 281 - 285
Quantification of total petrol hydrocarbons (TPH) in soil by IR-spectrometry and gas chromatography – conclusions from three proficiency testing rounds R. BeckerMatthias KochTin Win Practitioners’s Report Pages: 286 - 289
Accreditation of medical laboratories in South Africa G. S. DhattSean Peters Practitioner’s Report Pages: 290 - 292
Analytical procedure in terms of measurement (quality) assurance R. Kadis Policies and Concepts Pages: 294 - 298
Flexibilization of the scope of accreditation: an important asset for food and water microbiology laboratories A. Leclercq Policies and Concepts Pages: 299 - 304
Proficiency testing: Current news and future issues N. Boley Interlaboratory Comparisons Pages: 304 - 307