Concentrations of particulate matter in schools in southwest Germany.

Concentrations of particulate matter in schools in southwest Germany. Research Abstract Details 

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Concentrations of particulate matter in schools in southwest Germany. Abstract Text:

Iris ,Thomas Gabrio,Bernhard Link,

During the winter season 2005/2006, measurements of small particulate matter were taken in 22 schools in southwest Germany. PM2.5 was measured gravimetrically. Laser particle counter (LPC) and condensation particle counter (CPC) were used to determine different particle fractions. The investigation included measurements inside (in classrooms) and outside of school buildings. During the whole investigation period continuous reference measurements were taken near the State Health Office in the city of Stuttgart. Information on building-specific data and traffic near the schools was collected via questionnaire. Although distances between the different schools and the location of the State Health Office building in Stuttgart in some cases exceeded 100 km, the concentration levels of particles > 0.3 microm measured by LPC near the different schools were similar to those measured in Stuttgart. The differences between the measurements in Stuttgart and at the other locations were smaller than the variation in time. In the winter season, the impaction of particulate matter was strongly influenced by specific weather conditions. Time resolution of measurements in classrooms showed variation in particle concentration depending on the type of building and indoor activities like cleaning or moving during breaks. Concentrations of very small particles in buildings and in ambient air measured by CPC were influenced by traffic emissions. The observed data give reason to assume that the influence of high traffic emissions to indoor particle concentration may have been overestimated. Furthermore, there is an urgent need for standardization of measurement protocols, sampling, and determination of indoor particulate matter. The classical gravimetric methods are less appropriate since they do not allow for a time resolution of measurements.

Concentrations of particulate matter in schools in southwest Germany. Publishing Authors By Initials

I ,T Gabrio,B Link,

For similar education: education, nonprofessional: schools research abstracts see: education: education, nonprofessional: schools research

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Concentrations of particulate matter in schools in southwest Germany. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Inhalation toxicology

VOLUME: 19 Suppl 1

Page Numbers: 245-9

Journal Abbreviation:

ISSN: 1091-7691

DAY: 19

MONTH: 11

YEAR: 2007

Concentrations of particulate matter in schools in southwest Germany. Information

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LANGUAGE: eng

NlmUniqueID: 8910739

Concentrations of particulate matter in schools in southwest Germany. Keywords Mesh Terms:

KEYWORDS: Schools

MESH TERMS: standards

Chemical & Substance for Abstract: Concentrations of particulate matter in schools in southwest Germany. Information

Substance Name: Particulate Matter

Registry Number: 0

Grant and Affiliation Information for Concentrations of particulate matter in schools in southwest Germany.

AFFILIATION: Baden-Wuerttemberg State Health Office, District Government Stuttgart, Stuttgart, Germany.

Country: United States

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MEDLINETA: Inhal Toxicol

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