The standard is defined by the Board of Directors of the national environmental standard for arsenic in soil for housing and agriculture, did not exceed 3.9 mg per kg of 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.
There is no standard according to the national environmental standard arsenic in soil to current living and agriculture does not exceed 3.9 mg / kg of the soil