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  2. Lead contamination in Oakland - Wikipedia

    en.wikipedia.org/wiki/Lead_contamination_in_Oakland

    South Prescott is a hundred year old neighborhood in West Oakland; due to past industrial activity and leaded gas neighborhood soil averaged 800 ppm lead before a major EPA-led cleanup. [19] Some of the most contaminated areas of the neighborhood had soil lead levels in excess of 2700 ppm. [20]

  3. Tar Creek Superfund site - Wikipedia

    en.wikipedia.org/wiki/Tar_Creek_Superfund_site

    A chat and asphalt mixture may also be used to fill mines, which will reduce the threat of mine hazards—namely, the collapse of mines and/or the exposure to lead due to open or collapsed mines. [8] Finally, the plan calls to restore and revegetate the land damaged by mining activities. New soil will be brought in to replace removed soil.

  4. Dutch pollutant standards - Wikipedia

    en.wikipedia.org/wiki/Dutch_pollutant_standards

    The soil remediation intervention values indicate when the functional properties of the soil for humans, plants and animals is seriously impaired or threatened. They are representative of the level of contamination above which a serious case of soil contamination is deemed to exist.

  5. The FDA Set Guidelines for 'Acceptable' Levels of Lead in ...

    www.aol.com/fda-set-guidelines-acceptable-levels...

    The FDA importantly noted that the levels are not "zero" because lead and other contaminants can naturally occur in the air, water, and soil, which produces the fruits, vegetables, and grains used ...

  6. Soil - Wikipedia

    en.wikipedia.org/wiki/Soil

    Soil, also commonly referred to as earth, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support the life of plants and soil organisms. Some scientific definitions distinguish dirt from soil by restricting the former term specifically to displaced soil. Soil measuring and surveying device

  7. Soil quality - Wikipedia

    en.wikipedia.org/wiki/Soil_quality

    Soil quality in agricultural terms is measured on a scale of soil value (Bodenwertzahl) in Germany. [6] Soil quality is primarily measured by chemical, physical, and biological indicators because soil function cannot easily be measured directly. [7] Each of these categories comprises several indicators that provide insight into overall soil ...

  8. National Cooperative Soil Survey - Wikipedia

    en.wikipedia.org/wiki/National_Cooperative_Soil...

    The National Cooperative Soil Survey Program (NCSS) in the United States is a nationwide partnership of federal, regional, state, and local agencies and institutions. This partnership works together to cooperatively investigate, inventory, document, classify, and interpret soils and to disseminate, publish, and promote the use of information about the soils of the United States and its trust ...

  9. Soil conservation - Wikipedia

    en.wikipedia.org/wiki/Soil_conservation

    The rows formed slow surface water run-off during rainstorms to prevent soil erosion and allow the water time to infiltrate into the soil. Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination