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Determination of benzo(a)pyrene content in PM10 using regression methods

Abstrakt

The paper presents an attempt of application of multidimensional linear regression to estimation of an empirical model describing the factors influencing on B(a)P content in suspended dust PM10 in Olsztyn and Elbląg city regions between 2010 and 2013. During this period annual average concentration of B(a)P in PM10 exceeded the admissible level 1.5-3 times. Conducted investigations confirm that the reasons of B(a)P concentration increase are low-efficiency individual home heat stations or low-temperature heat sources, which are responsible for so-called low emission during heating period. Dependences between the following quantities were analysed: concentration of PM10 dust in air, air temperature, wind velocity, air humidity. A measure of model fitting to actual B(a)P concentration in PM10 was the coefficient of determination of the model. Application of multidimensional linear regression yielded the equations characterized by high values of the coefficient of determination of the model, especially during heating season. This parameter ranged from 0.54 to 0.80 during the analyzed period.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
Medycyna Środowiskowa - Environmental Medicine nr 18, strony 23 - 26,
ISSN: 1505-7054
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Gębicki J., Ludkiewicz T., Namieśnik J.: Determination of benzo(a)pyrene content in PM10 using regression methods// Medycyna Środowiskowa - Environmental Medicine. -Vol. 18., nr. 4 (2015), s.23-26
Weryfikacja:
Politechnika Gdańska

wyświetlono 17 razy

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