四個有機農場 (1~4) 共抽檢13個蔬菜樣品，有12個樣品含有大腸桿菌群 (92.3%)，七個含有大腸桿菌 (53.8%)。九個土壤樣品中有七個含有糞生大腸桿菌群 (77.7%)。六個灌溉水樣品中有三個含有大腸桿菌群 (50%)，三個含有糞生大腸桿菌 (50%)，所有28個樣品中均無沙門氏桿菌之檢出。

Investigations of coliforms and Salmonella sp. in the vegetables, soil and water samples from four organic farms were conducted. Thirteen vegetable samples were analyzed, and 12 samples were contaminated with coliforms (92.3%), and 7 samples were contaminated with E. coli (53.8%). Seven farmland soil samples out of nine were contaminated with fecal coliforms (77.7%). Six irrigating water samples were analyzed, and 3 samples were contaminated with coliforms (50%), and three samples were contaminated with fecal coliforms (50%). No Salmonella sp. were detected in all 28 samples collected.