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- This study is to investigate microbiological hazards which can be used as fundamental data to ade-quately control leeks hazards and develop leeks GAP model for those who want to get GAP system. The microbiolog-ical investigations on cultivation environments (soil and water), crops (leeks), personal hygiene (workers’ hands,clothes and gloves) and working tools (boxes) have been conducted for one year, so the period was classified undernon-cultivation, cultivation, and post harvest. Total bacteria was detected from soil (4.0~6.7 log CFU/g), leeks(4.6~5.1 log CFU/g), hands (ND~3.3 log CFU/hand) and gloves (ND~5.4 log CFU/cm 2 ) while nothing was detectedfrom the other samples. The coliform contamination of leeks (4.8~5.0 log CFU/g) was more high than that of soil(3.9~4.2 log CFU/g). In case of foodborne pathogens, only B. cereus was detected at the level of 0.5~4.6 log CFU/g(or hand, 100 cm 2 ). Fungi was observed at the level of 2.1~3.8 log CFU/g (or hand, 100 cm 2 ) excepting water andsome working tools. These results demonstrate that the contamination of leeks is comparatively higher than that of soilsample. The reason may be the cross-contamination by biological hazards presenting on soil. Therefore, it is necessaryto properly control soil and fertilizer for safety against biological hazards.Key words : good agricultural practices (GAP), leek, microbial contamination, microbial hazard

Investigation of Microbiological Hazard from Korean Leeks and Cultivation Area to Establish the GAP Model