Maternal and umbilical cord blood levels of mercury, lead, cadmium, and essential trace elements in Arctic Canada

Maternal and umbilical cord blood levels of mercury (Hg), lead (Pb), cadmium (Cd), and the trace elements copper (Cu), zinc (Zn), and selenium (Se) are reported for Inuit, Dene/Métis, Caucasian, and Other nonaboriginal participants from Arctic Canada. This is the first human tissue monitoring progra...

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Bibliographic Details
Published in:Environmental research 2006-03, Vol.100 (3), p.295-318
Main Authors: Butler Walker, Jody, Houseman, Jan, Seddon, Laura, McMullen, Ed, Tofflemire, Karen, Mills, Carole, Corriveau, André, Weber, Jean-Philippe, LeBlanc, Alain, Walker, Mike, Donaldson, Shawn G., Van Oostdam, Jay
Format: Article
Language:English
Subjects:
60 APPLIED LIFE SCIENCES
Adult
ANIMAL TISSUES
Arctic indigenous women
Arctic Regions
Biological and medical sciences
BLOOD
CADMIUM
Cadmium - blood
Canada
Chemical and industrial products toxicology. Toxic occupational diseases
COPPER
Diet
Environmental Exposure
Environmental Monitoring
Environmental Pollutants - blood
Environmental pollutants toxicology
European Continental Ancestry Group
Female
Fetal Blood - chemistry
Food Contamination
General aspects
Humans
Indians, North American
LEAD
Lead - blood
Life Style
Maternal-Fetal Exchange
Maternal/cord blood
Medical sciences
MERCURY
Mercury - blood
Metals and various inorganic compounds
METHYLMERCURY
NORTHWEST TERRITORIES
PESTICIDES
POLYCHLORINATED BIPHENYLS
Pregnancy
PUBLIC HEALTH
Risk Assessment
SELENIUM
TOBACCO
Toxicology
TRACE AMOUNTS
Trace elements
Trace Elements - blood
US EPA
ZINC
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Summary:Maternal and umbilical cord blood levels of mercury (Hg), lead (Pb), cadmium (Cd), and the trace elements copper (Cu), zinc (Zn), and selenium (Se) are reported for Inuit, Dene/Métis, Caucasian, and Other nonaboriginal participants from Arctic Canada. This is the first human tissue monitoring program covering the entire Northwest Territories and Nunavut for multiple contaminants and establishes a baseline upon which future comparisons can be made. Results for chlorinated organic pesticides and PCBs for these participants have been reported elsewhere. Between May 1994 and June 1999, 523 women volunteered to participate by giving their written informed consent, resulting in the collection of 386 maternal blood samples, 407 cord samples, and 351 cord:maternal paired samples. Geometric mean (GM) maternal total mercury (THg) concentrations ranged from 0.87 μg/L (SD=1.95) in the Caucasian group of participants ( n = 1 3 4 ) to 3.51 μg/L (SD=8.30) in the Inuit group ( n = 1 4 6 ). The GM of the Inuit group was 2.6-fold higher than that of the Dene/Métis group (1.35 μg/L, SD=1.60, n = 9 2 ) and significantly higher than those of all other groups ( P
ISSN:0013-9351
1096-0953
DOI:10.1016/j.envres.2005.05.006