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Salt to prevent pollution

Twenty-five tons of a chemical mixture including 20 percent of magnesium chloride, which is closely related to sodium chloride, or edible salt, has been spread onto streets in Reykjavík to prevent harmful dust from polluting the air in the city.

The chemical is not considered harmful to the environment and has been spread onto streets in Reykjavík since Monday. Fréttabladid reports.

Air pollution levels in the city were considerably lower yesterday than on Monday, when air pollution was measured above the health protection limit.

The magnesium chloride mixture is six times more expensive than regular salt, which is spread onto streets in the capital to prevent them from being icy. Magnesium chloride costs ISK 42,000 (EUR 478, USD 632) per ton.

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