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Presented at Indoor Air Seminar (Helsinki, Finland) 15 March, 2018. ISBN 978-952-5236-46-0. Mittasimme aineiden (hometoksiinit; rakennus- ja saneeraustuotteiden kemikaalit, siivousaineet) kulkeutumista päästölähteistä ilmaan tutkimuskammioissa. Tutkittavat aineet annosteltiin kammioiden pohjalla oleviin avoimiin astioihin. Kammioiden ilman kosteutta säädettiin lisäämällä pohjalle vettä ja ilmankostutin- ja kuivainlaitteilla. Lämpötilaa, kosteutta ja TVOC-pitoisuutta monitoroitiin jatkuvatoimisilla antureilla. Kammioilman vesihöyry ja vesiaerosolit tiivistettiin nestemäiseksi vedeksi kuivaimen säiliöön. Kun tiivistevesi analysoitiin, havaittiin, että mikrobitoksiinit (okratoksiini A, enniatiini B) ja siivous- ja saneeraustuotteiden sisältämät antimikrobiset (PHMG) aineet, neutraalit (polyglykoli-alkoksyylit) ja kationiset tensidit (DDDMAC) siirtyivät pinnoilta ilmaan ja sieltä ilmankuivaimen kondenssivesisäiliöön. We measured mobility of nonvolatile fungal toxins and chemical substances in products used in building construction or maintenance into indoor air. The measurement was conducted in enclosed chambers provided with sensors for continuous monitoring of air humidity, temperature, organic substance (TVOC). Airborn humidicity was cyclically up/down adjusted using humidifier / dehumidifier. Substances tested for emission, were placed in open dishes on chamber floor. Airborn humidity was condensed into liquid water, harvested in dehumidifer storage container, and analysed at the end of each experiment.We found that nonvolatile substances such as fungal toxins (ochratoxin A), non-ionic and cationic tensides (polyoxyethylene alkanol ethers, didecyldimethyl ammonium chloride) and antimicrobial biocidal substances (PHMG) , contained in cleaning and sanitation products in buildings, translocated were recovered in the the dehumidifer condensate, thus indicating airborn migration.

This review describes medium and high molecular weight organic material found in wastewaters from pulp and paper industry. The aim is to review the versatile pollutants and the analysis methods for their determination. Among other pollutants, biocides, extractives, and lignin-derived compounds are major contributors to harmful effects, such as toxicity, of industrial wastewaters. Toxicity of wastewaters from pulp and paper mills is briefly evaluated including the methods for toxicity analyses. Traditionally, wastewater purification includes mechanical treatment followed by chemical and/or biological treatment processes. A variety of methods are available for the purification of industrial wastewaters, including aerobic and anaerobic processes. However, some fractions of organic material, such as lignin and its derivatives, are difficult to degrade. Therefore, novel chemical methods, including electrochemical and oxidation processes, have been developed for separate use or in combination with biological treatment processes. peerReviewed