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전신복장법을 이용한 동력 및 원격조종 살포 중 살균제 fluazinam에 대한 감귤 과수원 농작업자의 노출 비교
류갑희(Gap-Hee Ryu),조형욱(Hyeong-Wook Jo),선정훈(Jung-Hun Sun),박현지(Hyun-Ji Park),문준관(Joon Kwan Moon) 한국농약과학회 2024 농약과학회지 Vol.28 No.1
The purpose of this study was to compare the results of risk assessment a stationary power sprayer (SPS) and a remote-control sprayer (RCS) using the fungicide fluazinam in mandarin orchards. Commercial pesticide, fluazinam 50% WP was diluted 2,000 times. After spraying 500 L using the stationary power sprayer and the remote-control sprayer, whole body samples were collected, and analysis of pesticide residues was performed using LC-MS/MS. The limit of quantitative was 0.0005 g/ml, and the recovery rates were outer 88.7~114.7%, inner 88.9~107.9%, washing solvent 82.3~97.7%, gauze 94.3~102.7%, and glass fiber filter 79.0~94.9%. According to the results of analysis of residual pesticide, the total average level of exposure was 321,278.85 and 595.14 g for SPS and RCS in outdoor cultivation, and 173,812.21 and 5,510.16 g for SPS and RCS in green-house cultivation, respectively. The total amount detected was SPS 0.2570% and RCS 0.0005% of the amount sprayed in outdoor cultivation, and SPS 0.1390% and RCS 0.0044% of the amount sprayed in green-house cultivation. Calculation of the margin of safety for fluazinam based on the exposure amount was 0.44 and 63.90 for SPS and RCS in outdoor cultivation, and 0.27 and 1.62 for SPS and RCS in green-house cultivation, respectively. When spraying of fluazinam 50% WP was performed, the results of the risk assessment for farm workers showed a high for the SPS, which was evaluated as low for the RCS. The results demonstrated that use of the RCS was 143.9 and 6.1 times safer in outdoor and green-house cultivation than use of the SPS.
감귤농가 농약 살포시 착용하는 보호장비와 피해 증상분석
류갑희(Gaphee-Ryu),최칠구(Chil-koo Choi),조형욱(Hyeong-Wook Jo),문준관(Joon-Kwan Moon) 한국농약과학회 2024 농약과학회지 Vol.28 No.1
Tangerines cultivation takes place in the southern region of Korea, including the Jeju region, however, the cultivation area in the Jeju region is 21,877 ha, which is 99% of the total cultivation area. To support stable production, disease and pest control time accounts for 13.4%, the second highest proportion after harvest work. The amount of pesticide usage (kg a.i./ha) according to crop was highest for citrus at 40.0 kg a.i./ha, making it the crop with the greatest exposure to pesticides. An analysis was performed to determine the number of citrus farmers who are in compliance with the standards for safe use of pesticides as well as symptoms they may be experiencing and treating. A survey of 232 target farms was conducted, which represents 0.8% of citrus growing farms. Among citrus farmers, symptoms of pesticide poisoning were limited to 11 symptoms, including dizziness, vomiting, nausea, headache, fever, skin allergy, itching, hives, bloodshot eyes, difficulty breathing, and skin spots. Protective clothing was regarded as protective equipment for prevention of pesticide poisoning. The study was limited to hats, gloves, protective glasses, and masks. The protective equipment worn by citrus farmers when spraying pesticides was most often protective clothing + hat + gloves + mask at 62%, followed by protective clothing + hat + gloves + mask + protective glasses at 18%, and hat + gloves at 18%. Those wearing masks, protective clothing, hats, and gloves accounted for 4%, while the percentage of remaining minority responses was 12%. The various symbols of pesticide poisoning affecting citrus farmers after spraying pesticides included dizziness + skin allergy + bloodshot eyes in 18%, bloodshot eyes in 12%, itching in 10.3%, and hives in 8.6%. Of the 232 surveyed farmers, 19.0% (44 people) received treatment at a hospital, 59 (25.4%) received pharmacy prescriptions, however, 55.6% (129 people) responded that they did not receive medical treatment. In particular, 40.3% of non-medical farmers did not receive medical treatment due to asymptomatic symptoms, however, 59.7% of subjects did not receive hospital treatment or pharmacy prescriptions despite a diagnosis of pesticide poisoning. These research findings are expected to provide basic information to prevent pesticide poisoning in citrus farmers.