permissible concentration

简明释义

容许浓度

英英释义

例句

1.The environmental agency set a permissible concentration for pollutants in the air to protect public health.

环保机构设定了空气中污染物的允许浓度以保护公众健康。

2.During the inspection, the inspector noted that the permissible concentration of ammonia was exceeded.

在检查过程中，检查员注意到氨的允许浓度被超出。

3.The laboratory tested the water to ensure that the lead levels were below the permissible concentration.

实验室检测水质，以确保铅含量低于允许浓度。

4.Workers must wear protective gear if the chemical exposure exceeds the permissible concentration in the workplace.

如果工作场所的化学物质暴露超过允许浓度，工人必须穿戴防护装备。

5.The factory implemented new procedures to ensure emissions remain within the permissible concentration limits.

工厂实施了新程序，以确保排放保持在允许浓度限制之内。

作文

In today's world, environmental concerns have taken center stage, prompting discussions on various aspects of pollution and its effects on human health. One term that frequently arises in these discussions is permissible concentration, which refers to the maximum amount of a substance that is allowed in a particular environment or medium without causing harm to humans or the ecosystem. Understanding this concept is crucial for both policymakers and the general public as it plays a significant role in ensuring safety and sustainability.The permissible concentration is determined by regulatory agencies based on extensive research and data analysis. These agencies assess the potential risks associated with exposure to different substances, whether they are chemical pollutants in the air, heavy metals in water, or toxic materials in soil. For instance, the Environmental Protection Agency (EPA) in the United States sets guidelines for acceptable levels of pollutants, such as lead and mercury, in drinking water. These guidelines are established to protect public health and ensure that the concentrations of harmful substances remain within safe limits.Moreover, the concept of permissible concentration is not static; it evolves as new research emerges and our understanding of environmental science advances. For example, advancements in technology may reveal that certain substances are more harmful than previously thought, leading to stricter regulations and lower permissible levels. Conversely, if new studies demonstrate that a substance is less harmful than once believed, regulatory agencies may adjust the permissible levels upward.The importance of adhering to permissible concentration levels cannot be overstated. When industries fail to comply with these regulations, the consequences can be dire. Contaminated water supplies can lead to serious health issues, including developmental problems in children and increased cancer risks. Air pollution can exacerbate respiratory diseases and contribute to climate change. Thus, maintaining awareness of permissible concentration levels is essential for protecting public health and the environment.Furthermore, individuals can play a role in monitoring and advocating for adherence to permissible concentration standards. Community awareness campaigns can educate the public about the dangers of pollution and the importance of regulatory measures. Individuals can also participate in local governance by voicing their concerns about environmental issues and supporting policies that promote stricter controls on pollutant levels.In conclusion, the term permissible concentration is integral to environmental health and safety. It represents the threshold at which substances can exist without posing significant risks to human health or the environment. As we continue to navigate the challenges posed by pollution, understanding and advocating for permissible concentration levels will be vital in safeguarding our communities and ensuring a sustainable future. The responsibility lies not only with regulatory bodies but also with each individual to remain informed and proactive in the fight against environmental degradation.

在当今世界，环境问题已成为中心议题，促使人们讨论污染的各个方面及其对人类健康的影响。一个常常出现的术语是可允许浓度，它指的是在特定环境或介质中，允许存在的物质的最大量，而不会对人类或生态系统造成伤害。理解这个概念对于政策制定者和公众来说至关重要，因为它在确保安全和可持续性方面发挥着重要作用。可允许浓度是由监管机构根据大量研究和数据分析确定的。这些机构评估与接触不同物质相关的潜在风险，无论是空气中的化学污染物、水中的重金属，还是土壤中的有毒物质。例如，美国环境保护署（EPA）设定了饮用水中污染物（如铅和汞）的可接受水平。这些指导方针旨在保护公共健康，并确保有害物质的浓度保持在安全范围内。此外，可允许浓度的概念并不是静态的；随着新研究的出现以及我们对环境科学理解的加深，它会不断演变。例如，技术的进步可能会揭示某些物质比之前认为的更有害，从而导致更严格的法规和更低的可允许水平。相反，如果新的研究表明某种物质的危害性低于先前的认识，监管机构可能会将可允许水平上调。遵守可允许浓度水平的重要性不容小觑。当行业未能遵守这些法规时，后果可能是严重的。受污染的水源可能导致严重的健康问题，包括儿童发育问题和癌症风险增加。空气污染可能加剧呼吸疾病并助长气候变化。因此，保持对可允许浓度水平的关注对保护公共健康和环境至关重要。此外，个人也可以在监测和倡导遵守可允许浓度标准方面发挥作用。社区意识宣传活动可以教育公众关于污染的危险及监管措施的重要性。个人还可以通过表达对环境问题的关切并支持促进更严格污染物浓度控制的政策，参与地方治理。总之，可允许浓度这一术语对于环境健康和安全至关重要。它代表了物质可以存在而不会对人类健康或环境造成重大风险的阈值。在我们继续应对污染带来的挑战时，理解和倡导可允许浓度水平对于保护我们的社区和确保可持续未来至关重要。责任不仅在于监管机构，也在于每个人保持信息灵通并在抗击环境退化的斗争中积极行动。