Table 3: Final Human Health State of the Science Report on Lead

Table 3. Lead concentrations in soil (mg/kg)
Year Location n Concentration (mg/kg) Reference
Arithmetic mean Range

- not reported

Table 3 footnotes

Table 3 footnote a

Considered representative of uncontaminated soil concentration for each region.

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Table 3 footnote b

95th percentile

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Table 3 footnote c

Roads, parks, schoolyards

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Table 3 footnote d

Median

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Table 3 footnote e

Average of 0-10 cm depth

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Table 3 footnote f

From homes built prior to 1950

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Table 3 footnote g

Represents minimally impacted conditions in the greater vicinity of Flin Flon, Manitoba

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Table 3 footnote h

Represents non-impacted conditions in the greater vicinity of Flin Flon, Manitoba

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Background
- Glacial Till, All Canada 7398 9.65 1-152 Rencz et al. 2006
Residential and Parkland
- Cariboo Region, BCTable 3 footnote a - - 9.5Table 3 footnote b B.C. MOE 2010
- Kootenay Region, BCTable 3 footnote a - - 75Table 3 footnote b
- Lower Mainland Region, BCTable 3 footnote c - - 60Table 3 footnote b
- Omineca Peace Region, BCTable 3 footnote c - - 35Table 3 footnote b
- Skeena Region, BCTable 3 footnote a - - 15Table 3 footnote b
- Thompson Nicola Okanagan Region, BCTable 3 footnote c - - 15Table 3 footnote b
- Vancouver Island Region, BCTable 3 footnote c - - 30Table 3 footnote b
- Vancouver, BCTable 3 footnote a - - 300Table 3 footnote b
2003 Victoria, BCTable 3 footnote c - 90Table 3 footnote d - Bowman and Bobrowsky 2003
2010 St. John's, NL (all) 190 91.9 2.8-6800 Bell et al. 2011
2010 St. John's, NL (dripline) 141 103 8.5-6800
2010 St. John's, NL
(play area)
182 85.8 3.8-1900
2010 St. John's, NL (garden) 31 52.8 2.8-560
2004-2005 St John’s, NL (all) 1231 446/148Table 3 footnote d 9-24477 Bell et al. 2010
2004-2005 St John’s, NL(dripline) 328 766/194Table 3 footnote d 15-24477
2004-2005 St John’s, NL(ambient) 514 411/138Table 3 footnote d 9-12,738
2004-2005 St John’s, NL(road) 389 222/136Table 3 footnote d 16-1765
2010 Halifax, NS 220 109/43Table 3 footnote e 10-767 Heidary-Monfard 2011
1990-2007 Guelph, ON 91 142 5-420 Wellington-Dufferin-Guelph Public Health 2007
2000 Ottawa, ON 50 64.7/33.8 Table 3 footnote d 15.60-547.44 Rasmussen et al. 2001
2009 (North) Hamilton, ON - - <5–790Table 3 footnote f Richardson et al. 2011
2006 Lake Claire Watershed, QCTable 3 footnote e 2 35.6 23.1-50 Ndzangou et al. 2006
Near / on local anthropogenic source
1994-1999 Trail, BC - 750 - Hilts 2003
2004 Cold Lake, AB 63 13 3-37 Defense Research and Development Canada 2004
2006 Creighton, SK 13 92.5 6.3-250 Manitoba Conservation 2007
Flin Flon, MB 93 196.4 5-1447
Cranberry Portage, MBTable 3 footnote g 1 21.9 -
Bakers Narrow, MBTable 3 footnote h 1 5.3 -
2007 Iqaluit, NU 19 - 17-45 Laird 2010
2008 Toronto, ON 30 38 9-210 Aqua Terre Solutions Inc. 2009
2004 Sudbury, ON 365 49.98 3.5-194 Centre for Environmental Monitoring 2004
2000 Port Colborne, ON 17 217 6-1800 OMOE 2002
2010 Oakville, ON 5 - <10-28.1 Fisher Environmental Ltd 2010
2010 Massawippi and Saint-François rivers, QC 58 - 12.32-149 Saint-Laurent et al. 2010
2009 Buchans, NL 53 729 27-4800 Conestoga-Rovers & Associates 2010
2004 Sydney, NS 55 297/340Table 3 footnote d 52-1700 Lambert and Lane 2004

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