The impact of emissions from structures on indoor air concentrations in newly finished buildings

Predicted and on-site measured levels

Helena Järnström (Corresponding Author), Kristina Saarela, Pentti Kalliokoski, Anna-Liisa Pasanen

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Abstract

The impact of surface emissions (VOCs, ammonia, and formaldehyde) on the indoor air quality (IAQ) in newly established buildings was examined. Six apartment buildings, in which low-emitting, classified building materials were used, were investigated 0, 6, and 12 months after completion of construction work. The predicted indoor air concentrations based on the on-site measured emissions (floor, walls, ceiling) and air exchange rates were in general lower than the measured indoor air concentrations. The contribution of other sources was on the average about 50% for VOCs and 25—35% for ammonia and formaldehyde. The ceiling structure was the main source of pollutants throughout the first year. PVC floor covering affected IAQ significantly in the newly finished buildings. The contribution of walls was relatively low in spite of large surface area. The impact of VOC emissions from surfaces on indoor air clearly decreased during the follow-up period whereas the impact of ammonia and formaldehyde emissions remained about the same. Higher SVOC concentration was measured in the buildings with PVC flooring compared to the rooms with parquet flooring in the 0 to 6-month-old buildings.
Original languageEnglish
Pages (from-to)313 - 323
Number of pages11
JournalIndoor and Built Environment
Volume17
Issue number4
DOIs
Publication statusPublished - 2008
MoE publication typeA1 Journal article-refereed

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Air
Ammonia
Formaldehyde
Indoor Air Pollution
Polyvinyl Chloride

Cite this

Järnström, Helena ; Saarela, Kristina ; Kalliokoski, Pentti ; Pasanen, Anna-Liisa. / The impact of emissions from structures on indoor air concentrations in newly finished buildings : Predicted and on-site measured levels. In: Indoor and Built Environment. 2008 ; Vol. 17, No. 4. pp. 313 - 323.
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abstract = "The impact of surface emissions (VOCs, ammonia, and formaldehyde) on the indoor air quality (IAQ) in newly established buildings was examined. Six apartment buildings, in which low-emitting, classified building materials were used, were investigated 0, 6, and 12 months after completion of construction work. The predicted indoor air concentrations based on the on-site measured emissions (floor, walls, ceiling) and air exchange rates were in general lower than the measured indoor air concentrations. The contribution of other sources was on the average about 50{\%} for VOCs and 25—35{\%} for ammonia and formaldehyde. The ceiling structure was the main source of pollutants throughout the first year. PVC floor covering affected IAQ significantly in the newly finished buildings. The contribution of walls was relatively low in spite of large surface area. The impact of VOC emissions from surfaces on indoor air clearly decreased during the follow-up period whereas the impact of ammonia and formaldehyde emissions remained about the same. Higher SVOC concentration was measured in the buildings with PVC flooring compared to the rooms with parquet flooring in the 0 to 6-month-old buildings.",
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The impact of emissions from structures on indoor air concentrations in newly finished buildings : Predicted and on-site measured levels. / Järnström, Helena (Corresponding Author); Saarela, Kristina; Kalliokoski, Pentti; Pasanen, Anna-Liisa.

In: Indoor and Built Environment, Vol. 17, No. 4, 2008, p. 313 - 323.

Research output: Contribution to journalArticleScientificpeer-review

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AB - The impact of surface emissions (VOCs, ammonia, and formaldehyde) on the indoor air quality (IAQ) in newly established buildings was examined. Six apartment buildings, in which low-emitting, classified building materials were used, were investigated 0, 6, and 12 months after completion of construction work. The predicted indoor air concentrations based on the on-site measured emissions (floor, walls, ceiling) and air exchange rates were in general lower than the measured indoor air concentrations. The contribution of other sources was on the average about 50% for VOCs and 25—35% for ammonia and formaldehyde. The ceiling structure was the main source of pollutants throughout the first year. PVC floor covering affected IAQ significantly in the newly finished buildings. The contribution of walls was relatively low in spite of large surface area. The impact of VOC emissions from surfaces on indoor air clearly decreased during the follow-up period whereas the impact of ammonia and formaldehyde emissions remained about the same. Higher SVOC concentration was measured in the buildings with PVC flooring compared to the rooms with parquet flooring in the 0 to 6-month-old buildings.

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