Arbejdsrapport fra Miljøstyrelsen, 7/1994

Joint Report Format and Statistical Data Treatment from Interlaboratory Studies of Water Microbiology

09-02-1994

BASIC PROBLEMS CONCERNING INTERLABORATORY STUDIES WITHIN THE MICROIOLOGICAL WATER ANALYSIS FIELD; Objectives for interlaboratory studies of microbiological water analyses; Quality requirements for microbiological water analyses; Requirements based o the user's objectives; Requirements based on method objectives; The role of interlaboratory studies when controlling the quality of measurement; Recommendation of a principle for interlaboratory studies; CONCEPT FOR INTERLABORATORY STUDIES OF MICROBIOLOGICAL WATER ANALYSES; Danish interlaboratory studies of microbiological water analyses; Other microbiological interlaboratory studies; comparison with interlaboratory studies within the field of chemical water analyses; Standards for statistical data processing; Central elements in interlaboratory test reports; MICROBIOLOGICAL KEY FIGURES; Definitions; Basic model and logarithms of colony counts; Repeatability and reproducibility; Control of homogenioty; STATISTICAL DATA PROCESSING; Statistical design of interlaboratory tests; Preliminary reporting; Assessment of the data material; Assessment of the general quality of measurements; Evaluation of laboratories; Documentation of homogeneity; Additions and deviations; REPORTING OF INTERLABORATORY STUDIES OF MICROBIOLOGICAL WATER ANALYSES; Implementation of interlaboratory studies of microbiological water analyses; Format of reports; Connection with internal quality control; Additions and deviations

Læs publikation