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Metal Concentrations and Bioaccessib...

Asaah Fomunyam, Timothy.

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Metal Concentrations and Bioaccessibility in Metro Vancouver Urban Parks Soils.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Metal Concentrations and Bioaccessibility in Metro Vancouver Urban Parks Soils./
Author:	Asaah Fomunyam, Timothy.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
Description:	86 p.
Notes:	Source: Masters Abstracts International, Volume: 79-10.
Contained By:	Masters Abstracts International79-10.
Subject:	Urban Forestry. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10751656
ISBN:	9780355804331

Metal Concentrations and Bioaccessibility in Metro Vancouver Urban Parks Soils.
Asaah Fomunyam, Timothy.

Metal Concentrations and Bioaccessibility in Metro Vancouver Urban Parks Soils. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 86 p.

Source: Masters Abstracts International, Volume: 79-10.

Thesis (M.S.)--Royal Roads University (Canada), 2018.

This item must not be sold to any third party vendors.

Urbanization increases metal emissions through varying anthropogenic activities (fossil fuel combustion). With urban parks being sinks for emissions, this study attempts to determine metal concentrations and bioaccessibility in Metro Vancouver urban park soils. Fifty-six soil samples were collected from 23 parks and analyzed for total metals by x-ray fluorescence (XRF). An analysis of 20 samples by inductively coupled plasma - mass spectrometry (ICP-MS), showed some variation in the presence and concentration of some metals as compared to XRF. Bioaccessibility (>50%) was identified for Cd, Cu and Pb, implying risk of absorption by humans (especially children) may be high. However, mean concentrations of these metals were below the CCME Soil Quality Guidelines (SQG) for residential/parkland use, suggesting human health risk associated with these metals was low. Regression analysis between pH, organic carbon and metal bioaccessibility shows pH and organic carbon accounts for a 6 to 71% variation in metal bioaccessibility.

ISBN: 9780355804331Subjects--Topical Terms:

3438187
Urban Forestry.
Subjects--Index Terms:

Metal bioaccessibility

Metal Concentrations and Bioaccessibility in Metro Vancouver Urban Parks Soils.
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300 $a 86 p.
500 $a Source: Masters Abstracts International, Volume: 79-10.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: DODD, MATT.
502 $a Thesis (M.S.)--Royal Roads University (Canada), 2018.
506 $a This item must not be sold to any third party vendors.
520 $a Urbanization increases metal emissions through varying anthropogenic activities (fossil fuel combustion). With urban parks being sinks for emissions, this study attempts to determine metal concentrations and bioaccessibility in Metro Vancouver urban park soils. Fifty-six soil samples were collected from 23 parks and analyzed for total metals by x-ray fluorescence (XRF). An analysis of 20 samples by inductively coupled plasma - mass spectrometry (ICP-MS), showed some variation in the presence and concentration of some metals as compared to XRF. Bioaccessibility (>50%) was identified for Cd, Cu and Pb, implying risk of absorption by humans (especially children) may be high. However, mean concentrations of these metals were below the CCME Soil Quality Guidelines (SQG) for residential/parkland use, suggesting human health risk associated with these metals was low. Regression analysis between pH, organic carbon and metal bioaccessibility shows pH and organic carbon accounts for a 6 to 71% variation in metal bioaccessibility.
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650 4 $a Environmental Health. $3 578282
650 4 $a Environmental management. $3 535182
650 4 $a Environmental science. $3 677245
653 $a Metal bioaccessibility
653 $a Metal bioavailability
653 $a Metal concentration
653 $a Regression analysis
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690 $a 0470
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