Excess amount of lead found in water supply of major cities in Canada
In Canada, an investigation has found the excess amount of lead in the water supply of major cities.
Out of 12,000 samples taken from 2014 to 2018, one third exceeded the national safety guideline of 5 parts per billion.
The biggest source of lead in Canada's drinking water is antiquated pipes and public service lines that connect people's homes to the main water supply.
Lead contamination has been linked with low IQ in children, hypertension and heart disease.
In Canada, an investigation has found the excess amount of lead in the water supply of major cities.
Out of 12,000 samples taken from 2014 to 2018, one third exceeded the national safety guideline of 5 parts per billion.
The biggest source of lead in Canada's drinking water is antiquated pipes and public service lines that connect people's homes to the main water supply.
Lead contamination has been linked with low IQ in children, hypertension and heart disease.
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