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汉语拼音：huán jìng bèi jǐng zhí

又称环境本底值”。环境中固有的化学物质含量和能量分布。实际上指不受污染时环境要素的化学组分正常值以及环境中能量分布正常值。分大气、水体、土壤等单项环境背景值，以及城市环境背景值、区域环境背景值和自然保护区环境背景值等。

• Uranium occurs naturally throughout the world, but is normally only present in low background levels which pose no threat to human health.

  天然铀广泛分布在自然界中，但正常情况下其环境背景值很低，对人体健康无害。

• Chen Chun (Editor). 1998. Atlas of Study on Backgrond Value of Aquatic Environment of the Changjiang River Valley, Science Press, Beijing.

  陈春（编者）.1998。长江流域水体环境背景值研究图集，科学出版社，北京。

• Environmental Background Values of the Dredging Silt in the Lower Yellow River and Their Impacts on the Surrounding Environment

  黄河下游疏浚底泥环境背景值及其对环境的影响

• Soil Geochemical Baseline and Environmental Background Values of Agricultural Regions in Zhejiang Province

  浙江省土壤地球化学基准值与环境背景值

• Research on the soil environment background value differentiation regularity of Wenzhou

  温州市土壤环境背景值分异规律研究

• Soil geochemical baseline values and environmental background values in Zhejiang, China

  浙江土壤地球化学基准值与环境背景值

• Determination of Environment Background Value of Groundwater

  地下水环境背景值的确定

• The Handbook of the Environmental Background Value

  环境背景值数据手册

• A study on the environmental background values of heavy metals in the sediments of Meizhou Bay

  湄洲湾海域底质重金属环境背景值研究