Radiochemistry Food and Feed Monitoring and Maintenance

1摘要： 华盛顿州公共卫生实验室(WAPHL)环境与辐射 3化学集团有一个久负盛名的辐射测试计划， 4一套强大的仪器，包括伽马和阿尔法光谱分析能力。在一个 5在之前的弗恩资助下，这个实验室获得了食物专用伽马探测器的经验 6不同密度的校准，大大改进了样品制备和均质化 7种方法，与其他蕨类辐射实验室合作。 8背景 9食品污染是世界范围内的一个严重问题，每10个人中就有1人受到影响，42万人死亡 根据世界卫生组织的数据，每年有10个 11个问题 12起涉及放射性物质的污染事件非常罕见，以至于没有足够的 13关于剂量学关注的放射性污染物的基线数据，用于在下列情况下进行比较 确实发生了14起事件。 15种解决方案 华盛顿州公共卫生实验室(WAPHL)环境与辐射 17化学集团拥有一项历史悠久、广受好评的辐射测试计划， 18一套强大的仪器，包括伽马和阿尔法光谱分析能力。穿过 19.在这个项目中提出的工作我们将利用食品和药物管理局的投资 20美国食品和药物管理局(FDA)在资产和专业知识方面：(1)进行放射筛查 21来自我们州生产的农作物的剂量学关切的放射性核素，例如伽马发射体； 22(2)评估筛查的鉴定和半定量数据，以确定是否 23根据监管指导，确定是否存在污染，并确定是否进一步 24项有针对性的分析；(3)参加FDA要求的监测活动或 25分流演习；(4)尽可能参加国家安全活动和演习。

1 Abstract: 2 The Washington State Public Health Laboratories (WAPHL) Environmental and Radiation 3 Chemistry Group has a long-established and well-regarded radiation testing program with a 4 robust set of instrumentation, including gamma and alpha spectroscopy capabilities. Under a 5 previous FERN grant, this laboratory gained experience with food-specific gamma detector 6 calibrations of varying densities, and greatly improved sample preparation and homogenization 7 methods, in collaboration with other FERN radiation laboratories. 8 Background 9 Food contamination is a serious problem worldwide, affecting 1 person in 10 and killing 420,000 10 each year, according to the WHO.6 11 Problem 12 Contamination events involving radioactive materials is rare enough that there is not enough 13 baseline data on radiological contaminants of dosimetric concern to use for comparison when 14 events do occur. 15 Solutions 16 The Washington State Public Health Laboratories (WAPHL) Environmental and Radiation 17 Chemistry Group has a long-established and well-regarded radiation testing program with a 18 robust set of instrumentation, including gamma and alpha spectroscopy capabilities. Through 19 the work proposed in this project we will leverage the investments made by the Food and Drug 20 Administration (FDA) in assets and expertise, to: (1) perform radiological screening for 21 radionuclides of dosimetric concern, such as gamma emitters, from crops produced in our state; 22 (2) evaluate identification and semi-quantitative data from screening to determine if 23 contamination is present or not, according to regulatory guidance, and determine if further 24 targeted analyses are necessary; (3) participate in FDA-requested surveillance activities or 25 triage exercises; (4) participate in national security events and exercises as available.