สารหนูหรืออาร์เซนิกจัดเป็นสารพิษที่

Arsenic or arsenic is a toxic impact on human health (Figure 1) Normally, the human body has the ability to breathe. Intestinal absorption. And through the skin. And is dispersed into the environment.Standards are set by the National Commission for the Environment rapids arsenic or arsenic in the soil does not exceed 27 milligrams per kilogram of soil.

Arsenic or r is pesticide kachat Zenith that affect human health (Figure 1) are usually able to enter into the human body through respiration. Intestinal absorption and through the skin and can spread into the environment. By the standard set by the Board of Directors of the national standard that excels in environmental arsenic or r. Nemo in land of no more than 27 mg/kg of soil.

I interned at the terminal or Arch is a toxin that can affect human health (Figure 1). by normal will be able to take in the human body, the breath, the absorption of the small intestine and can be distributed through skin and into the environment.The environmental standards in accordance with the Notification of the Kaeng Krachan National standards for organic substances I processor or arch in the soil up to 27 mg per kilogram of soil