By Antonius Kettrup, Helmut Greim
This is often the 6th quantity in a global sequence of analytical tools for the choice of toxicants within the air on the place of work. All equipment are trustworthy, reproducable and meet the necessities for caliber control.
The research of the degrees of damaging components within the air inhaled by way of staff within the chemical and comparable operating environments is critical to watch adherence to statutory focus limits and to guard the staff from the opposed results of such ingredients.
Read Online or Download Analyses of Hazardous Substances in Air, Volume 6 PDF
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Additional resources for Analyses of Hazardous Substances in Air, Volume 6
Warning levels are thresholds which may be exceeded once, while immediate action must be taken if control or intervention levels are exceeded. In an initial phase, one or more control samples are analysed with each analytical series. For each control sample the precision and, if possible, accuracy of the analyses is determined (comparison with expected values). If the quality of the analysis is acceptable, the warning and intervention levels are defined and the quality control cards drawn up. In the subsequent control period, control samples are investigated to monitor whether the defined levels are being Quality control 34 observed.
Ind. Hyg. Assoc. J. 40: 588± 591  Hangartner M (1988) Passivsammler fçr die Immissionsmessung von Stickstoffdioxid. Drågerheft 368: 6±8  Pannwitz KH (1984) Anzeigende Diffusionsræhrchen. Drågerheft 328: 8±13  Schwarzer S, Plçmke K (1994) Bio-Check F-eignungsgeprçft mit TÛV-CERT-Zertifikat. Drågerheft 358: 9±11  Bundesministerium fçr Arbeit und Sozialordnung (1997) TRGS 402 Ermittlung und Beurteilung der Konzentrationen gefåhrlicher Stoffe in der Luft in Arbeitsbereichen. In: Technische Regeln und Richtlinien des BMA zur Verordnung çber gefåhrliche Stoffe.
Important is, however, that this influence is as small as possible, and in some 29 Quality control cases not even detectable. Analytical procedures with which the interference is relatively small, are described as moderately selective. An analytical procedure is regarded as being specific if it responds to only one component, even if other components are present in the analytical sample. These parameters must also be checked regularly, if e. g. the sample has a different matrix, or other components are present.