One. Arsenic or the NRC, including as toxins that affect human health. Cause neurological problems. Circulatory System And more importantly, if you are getting into. Large quantities for a long period can cause cancer. New NRC can occur by natural leaching of rocks and minerals with arsenic compounds. And activities of human life, such as mining, smelting metals, pesticides, fertilizer use in agriculture. New NRC is dispersed into the environment, whether it is in the air, water and soil. The study found that arsenic, a heavy metal that is associated with certain types of rocks and minerals in the soil. Standards have been established pursuant to the National Environmental Standard for arsenic in soil for agriculture, housing, and not more than 3.9 milligrams per kilogram of soil.
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