According to an article on thaivisa.com, fruits and vegetables found in lunches for students under the government-sponsored lunch programme are almost 100 percent contaminated with pesticides. In 99 percent of student and teacher urine samples in four provinces, organophosphate was found, a toxic pesticide that attacks the nervous system.
These alarming findings were the result of a July 2017 to October 2018 research on student lunches in 55 schools in Chiang Mai, Pathum Thani, Sakon Nakhon and Phang-nga provinces. Vegetables which were tested include carrot, cabbage, Chinese cabbage, kale, long bean and tomato. Only organophosphate and pyrethrum were tested.