The primary classification describes the main hazardous property of a hazardous waste.
主要类别描述危险废物的主要的危险性质。
Gather the sample of suspected hazardous waste (the chromium dreg), measured chromium in the lixivium, confirmed its property, analyzed its characteristic of pollution.
采集疑似危险废物含铬碳渣的样品，检测其浸出液中的总铬和六价铬含量，确定其性质，分析其污染特征；
Gather the sample of suspected hazardous waste (the chromium dreg), measured chromium in the lixivium, confirmed its property, analyzed its characteristic of pollution.
采集疑似危险废物含铬碳渣的样品，检测其浸出液中的总铬和六价铬含量，确定其性质，分析其污染特征；
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