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CEN/TS 16115-2:2016

Ambient air - Measurement of bioaerosols - Part 2: Planning and evaluation of plant-related plume measurements

Edition date: 2026-06-24
In Force
Available languages: English, German, French
Summary: This document describes the general requirements to be taken into account in planning and implementing plant-related plume measurements of microbial air pollutants. A basic principle of this method is to compare the concentrations in air unaffected by the activities of the plant (i.e. background air sampled upwind of the plant) with the concentration of bioaerosols in air downwind of the plant. It is this comparison that allows an assessment of the plant-related contribution and the mean spatial impact range to be made. As it has so far not been possible to set limit values based on dose-response relationships, the mean impact range is to be used as a first criterion for assessing the environmental impact of a plant. The scale of work for the plume measurements described is necessary to obtain statistically representative data about the impact range of the plant and/or source, taking into account the great variety of influencing factors. Plant-related measurements of bioaerosol concentrations in ambient air may be required in a number of regulatory situations. Examples of typical measurement objectives and indicative application scenarios are presented in the document. This method specifies the simultaneous measurement of background and downwind air quality to reduce the risk of invalid comparisons resulting from changing background air concentrations. Another important principle of this method is the requirement for repeated measures to take into account day to day and seasonal variations in the processes governing bioaerosol emissions and dispersion. The objective is to analyse a given measurement problem and derive the associated requirements for organization, the measurement method, the sampling strategy, the evaluation of the measured data, quality assurance and reporting.

Le présent document décrit les exigences générales à prendre en compte lors de la planification et de la mise en oeuvre de mesurages dans le panache de fumée d’une installation industrielle afin de déterminer les polluants microbiens présent dans l’air ambiant. Le principe de base de cette méthode est de comparer les concentrations dans l’air non affectées par les activités de l’installation industrielle (c’est-à-dire l’atmosphère de fond prélevée en amont) avec la concentration des bioaérosols dans l’air en aval de cette installation. Cette comparaison permet d’évaluer la contribution liée à l’installation et de déterminer la portée d’impact moyen dans l’espace. Comme il a été jusqu’à présent impossible de fixer des valeurs limites basées sur des relations dose-effet, la portée d’impact moyen doit servir de premier critère pour évaluer l’impact d’une installation industrielle sur l’environnement. La charge de travail décrite en termes de mesurage dans le panache est requise pour obtenir des données statistiquement représentatives de la portée d’impact de l’installation industrielle et/ou de la source, en tenant compte de la grande diversité des facteurs influents. Les mesurages des concentrations de bioaérosols dans l’air ambiant au niveau d’une installation industrielle peuvent être exigés par un certain nombre de situations réglementaires. Le présent document donne des exemples d’objectifs de mesure types et des scénarios d’application à titre indicatif. Cette méthode spécifie le mesurage simultané de la qualité de l’air ambiant et de l’air en aval afin de réduire le risque de comparaisons non valables résultant de variations des concentrations atmosphériques de fond. Un autre principe important de cette méthode est l’exigence de mesurages répétés afin de tenir compte des variations d’un jour à l’autre et des variations saisonnières dans les processus régissant les émissions et la dispersion des aérosols. L’objectif est d’analyser un problème de mesurage particulier et d’en déduire les exigences associées concernant l’organisation, la méthode de mesure, la stratégie d’échantillonnage, l’évaluation des données mesurées, l’assurance qualité et la production de rapports.

In diesem Dokument werden die allgemeinen Anforderungen beschrieben, die bei der Planung und Umsetzung anlagenbezogener Messungen der mikrobiellen Belastung der Außenluft zu berücksichtigen sind. Ein Grundprinzip dieses Verfahrens besteht darin, die Konzentration in der nicht durch die Anlagentätigkeit beeinflussten Luft (d. h. der im Luv der Anlage beprobte Hintergrundluft) mit der Konzentration an Bioaerosolen in der Luft im Lee der Anlage zu vergleichen. Dieser Vergleich ermöglicht eine Beurteilung des anlagenbezogenen Beitrags und der mittleren räumlichen Reichweite. Da es bisher noch nicht möglich war, Grenzwerte auf der Grundlage von Dosis-Wirkungs-Beziehungen festzulegen, ist die mittlere Reichweite als ein erstes Kriterium für die Beurteilung der Umweltbelastung durch eine Anlage zu nutzen. Der mit den hier beschriebenen Fahnenmessungen verbundene Arbeitsaufwand ist erforderlich, um unter Berücksichtigung der großen Vielzahl an Einflussfaktoren statistisch repräsentative Daten zur Reichweite der Anlage und/oder Quelle zu erhalten. Anlagenbezogene Messungen der Bioaerosolkonzentrationen in der Außenluft können in einer Reihe von regulatorischen Situationen erforderlich sein. Das Dokument enthält Beispiele typischer Messaufgaben und indikativer Anwendungsszenarien. Dieses Verfahren legt die zeitgleiche Messung der Beschaffenheit der Hintergrundluft und der Luftbeschaffenheit im Lee fest, um das Risiko ungültiger Vergleiche aufgrund sich ändernder Hintergrund-Luftkonzentrationen zu verringern. Ein weiterer wichtiger Grundsatz dieses Verfahrens besteht in der Forderung nach Wiederholungsmessungen, um die tagesbezogenen und jahreszeitlichen Schwankungen in den Prozessen zu erfassen, die der Emission und Ausbreitung von Bioaerosolen zugrunde liegen. Das Ziel besteht in der Analyse eines gegebenen Messproblems und der Ableitung der zugehörigen Anforderungen an Organisation, Messverfahren, Probenahmestrategie, Bewertung der Messdaten, Qualitätssicherung und Berichterstattung.
ICS: 13.040.20-Ambient atmospheres
CTN: CEN/TC 264 - 6245

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