(A) contamination of the sludge and soil that has been washed from the construction area, taking in water. Make the water cloudy because of a suspension, or soil particles that are washed down to the Palace. In addition, when particles of soil settling will result in shallow or change the conditions of the water.(B) contamination of waste water from waste from the construction of the temporary workers. (C) contamination of waste water from construction activities such as cleaning tools, equipment, vehicles,
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