Cross-sectional study Assisted treatment of volatile organic compounds and study the health risks of exposure to volatile organic compounds. In a group of employees in the copier room. Faculty of public health, Burapha University
1. Know how the cultivate of spirulina.
2. Spirulina can treatment BOD.
3. Spirulina can removal phosphorus and nitrogen.
4. Agriculture wastewater can be released into the environment without poison.