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°C degrees Celsius AAMG Ambient Air Monitoring Group AFC Agency File Codes AIRS Air Innovation Research Site AMTIC Ambient Monitoring Technology Information Center ANSI American National Standards Institute APTI Air Pollution Training Institute AQS Air Quality System ASTM American Society for Testing and Materials AWMA Air and Waste Management Association CAA Clean Air Act CBSA core-based statistical area CFR Code of Federal Regulations CMD Contracts Management Division CO Contracting Officer CO碳一氧化碳COC托管官员缔约官的代表性CV变异系数DC直接电流DQA数据质量评估DQI数据质量数据质量指标DQO数据质量数据质量EDO EDO EDO EDO环境数据运营EMP增强监控计划EPA美国环境保护公司ESAT环境保护机构ESAT环境保护局ESAT环境服务机构ESAT ESAT环境服务FB FIEL FIEL FIEL FIEL FIEL FILEF FIEL FIAL FILEF FIAL FILEF FIL FIAL FILED FIL FIAL FILED FIL FIAL FILED FIL FIER FIED FIED交易FFF FF FF FF FF FF FF FF FF FF FF FIS失败的内标FLB失败实验室空白FOIA信息自由法案FRM联邦参考方法FS现场科学家FTB失败的旅行空白G GRAM GSA GRAMS GSA GRAMS GRAMS GRAMS GRAMS GRAMS GRAMS GRAMS GRASPA高效颗粒物颗粒物