污水样本 meaning in Chinese

effluent sample

Of the criteria adopted by the epd for selecting the location of the wastewater outlet in hotel premises for taking wastewater samples ; and
环保署如何厘定酒店内排污出口的取样地点以搜集污水样本及
Regarding the collection of wastewater samples from hotels by the environment protection department for the purpose of obtaining information that is needed in determining the rate of trade effluent surcharge , will the government inform this council
19 .杨孝华议员问：译文就环境保护署“环保署”从酒店搜集污水样本以取得资料厘定工商业污水附加费，政府可否告知本局：
A major reason is that according to the prevailing legal principles and law requirements , our enforcement staff have to collect valid effluent samples as evidence for prosecution . however , as illegal discharges can often been completed in a few minutes , it is very difficult to catch the culprits red - handed and collect evidence on the spot , which results in prosecution difficulties
这是由于在现行法律原则及法例下，执法人员必须收集有效的污水样本作为检控的法理依据，惟非法排污行为往往在数分钟内便完成，因而增加了取证的难度，导致检控的确有困难。