The salt that is so ready to throw on the streets and sidewalks after winter storms is a growing threat to the lakes and rivers of Minnesota.
Chloride - mineral salt that is toxic to fish, birds and aquatic life - now considered a disability in 50 lakes across the country. Scientists estimate that to increase the number.
• "The dead fish or dead? The challenges in reducing the consumption of de-icing salt
• Shingle Creek: A warning for water in Minnesota
Although the use of salt is the biggest culprit in a large scale, there are some things people can do to reduce their impact:
1) Take the blade. If you use salt, first clean can with a shovel or scraper most snow and ice. Manual removal is efficient and cost effective.
2) Do not shoot. A little salt goes a long way. Proliferation. After Clean Water Minnesota "a cup of coffee 12 ounces of salt is enough to cover 10 square sidewalk or driveway 20 feet."
3) Check the temperature. If it is less than 15 degrees, it is too cold for the salt to effectively melt the ice. Consider instead of sand is used. It will not melt the ice, but will increase traction. In addition, the sand on the paws of the animal is easy.
4) sweep the excess salt. With time running off into water or soil. Minnesota Clean water for all sitting on the sidewalk salt recommends can sweep again after the next storm.
Aucun commentaire:
Enregistrer un commentaire